class Block_with_Vacuum(i3.PCell):
"""Parametric cell with several traps, which are stacked vertically
"""
_name_prefix = "BlockWithVacuum"
block = i3.ChildCellProperty(
) # Generating block from Child Cell List Property
#channel_template = i3.TraceTemplateProperty(doc="the trace template prop")
vacuum = i3.ChildCellProperty() #vacuum channel
class Layout(i3.LayoutView):
def _get_components(self):
# 1. calculate the transformations of the rings based on their properties
#circuitWidth = block_layout.size_info()
#circuit_x_gap = 2000.0
#separation = abs(circuitWidth.west) + abs(circuitWidth.east)+ circuit_x_gap
t1 = i3.Translation(
(0 * 0, 0.0)) # i3.Translation((separation*0, 0.0))
# 2. Generating the instances
circuit_1 = i3.SRef(name="t_1",
reference=self.block,
transformation=t1)
circuit_2 = i3.SRef(name="t_2",
reference=self.vacuum,
transformation=t1)
return circuit_1, circuit_2
def _generate_instances(self, insts):
insts += self._get_components()
return insts
class FourMMIs(i3.PCell):
mmi = i3.ChildCellProperty(doc="MMI that is replicated four times.")
def _default_mmi(self):
mmi = MMI_22(name=self.name + "_mmi")
mmi.Layout(length=30.0)
return mmi
class Layout(i3.LayoutView):
mmi_sep = i3.PositiveNumberProperty(default=20.0)
def _generate_instances(self, insts):
for cnt in range(4):
trans = i3.Translation(translation=(0.0, cnt * self.mmi_sep))
insts += i3.SRef(name="MMI_{}".format(cnt),
reference=self.mmi,
transformation=trans)
return insts
def _generate_ports(self, ports):
for cnt in range(4):
mmip = self.instances["MMI_{}".format(cnt)]
for p in mmip.ports:
ports += p.modified_copy(name="{}_{}".format(p.name, cnt))
return ports
class DropRing(PlaceAndAutoRoute):
"""
Drop ring with the total ring length as a property.
"""
directional_coupler = i3.ChildCellProperty(
doc="Directional couplers used for the ring resonator")
total_ring_length = i3.PositiveNumberProperty(doc="Total ring length")
def _default_trace_template(self):
return SiWireWaveguideTemplate(name=self.name + "tt")
def _default_total_ring_length(self):
return 200.0
def _default_directional_coupler(self):
dc = DirectionalCoupler(name=self.name + 'dc')
return dc
def _default_child_cells(self):
return {
'dc1': self.directional_coupler,
'dc2': self.directional_coupler
}
def _default_links(self):
return [('dc1:in2', 'dc2:in2'), ('dc1:out2', 'dc2:out2')]
def _default_external_port_names(self):
return {
"dc1:in1": "in1",
"dc1:out1": "out1",
"dc2:out1": "in2",
"dc2:in1": "out2",
}
class Layout(PlaceAndAutoRoute.Layout):
def _get_distance_between_dc(self):
# Get length of the curved section of the directional coupler.
dc = self.directional_coupler
waveguide_length = (self.total_ring_length -
2 * dc.get_length_ring_section()) / 2.0
height_out_port = dc.ports["out2"].y
return 2 * height_out_port + waveguide_length
def _default_child_transformations(self):
return {
"dc1": (0, 0),
"dc2":
i3.VMirror(0.0) + i3.Translation(
(0, self._get_distance_between_dc()))
}
class BlockWithTees(i3.PCell):
"""Parametric cell with trap and tee defined by the user
"""
_name_prefix = "BLOCK_W_TEES"
# 1.
# The trap and tee are defined as ChildCellProperties. This is a special property
# that for hierarchical PCells. In each view of the PCell of a certain type (e.g. Layout)
# the corresponding viewtype (e.g. Layout) of the ChildCell will automatically available.
block = i3.ChildCellProperty(
default=Block()) #(default=CellTrapSimple()) #
tee = i3.ChildCellProperty(default=TeeSimple())
TECH = i3.get_technology()
# Layout view
class Layout(i3.LayoutView):
def _generate_instances(self, insts):
insts += i3.place_insts(insts={
'inlet': self.tee,
'block': self.block,
'outlet': self.tee
},
specs=[
i3.Place('block', (0, 0)),
i3.Join([('inlet:out1', 'block:in1'),
('outlet:out1', 'block:out1')
]),
i3.FlipH('outlet'),
])
return insts
def _generate_ports(self, ports):
return i3.expose_ports(
self.instances, {
'inlet:in1': 'in1',
'inlet:in2': 'in2',
'outlet:in1': 'out1',
'outlet:in2': 'out2'
})
class JoinedObstacles(i3.PCell): #(Structure):
channel_template = microfluidics.ChannelTemplateProperty(
default=microfluidics.ShortChannelTemplate(),
doc="Channel template for ports")
mysingleObstacle = i3.ChildCellProperty(
doc='the single Obstacle child cell, which will be clonned many times',
default=Obstacle_BooleanBoundary())
wholeTrapX = i3.PositiveNumberProperty(
default=500.0, doc="total X distance length of traps")
wholeTrapY = i3.PositiveNumberProperty(
default=500.0, doc="total Y distance length of traps")
cInp = i3.Coord2Property(default=0.0, doc="")
class Layout(i3.LayoutView):
def _generate_instances(self, insts):
x_inc = (self.mysingleObstacle.gap_btw_barriers +
self.mysingleObstacle.obstacle_trap_length) * 2
y_inc = self.mysingleObstacle.channel_trap_width * 1.5
cycles_x = int(self.wholeTrapX /
((self.mysingleObstacle.gap_btw_barriers +
self.mysingleObstacle.obstacle_trap_length) * 2))
cycles_y = int(self.wholeTrapY / (y_inc))
insts += i3.ARef(reference=self.mysingleObstacle,
origin=(0, 0.0 * self.cell.wholeTrapY),
period=(x_inc, y_inc),
n_o_periods=(cycles_x, cycles_y))
print 'insts', insts
return insts
def _generate_ports(self, ports):
#port1
ports += microfluidics.FluidicPort(
name='in',
position=(0, self.wholeTrapY * 0.5),
#position = (0, 'insts_0'.size_info().north*0.5),
direction=i3.PORT_DIRECTION.IN,
angle_deg=180,
trace_template=self.cell.channel_template)
#port2
ports += microfluidics.FluidicPort(
name='out',
position=(self.wholeTrapX, self.wholeTrapY * 0.5),
direction=i3.PORT_DIRECTION.OUT,
angle_deg=0,
trace_template=self.cell.channel_template)
return ports
class Square(PlaceComponents):
size=i3.PositiveNumberProperty(default=20.0, doc="simension of the square of aligning mark")
separation=i3.PositiveNumberProperty(default=2.0, doc="simension of the square of aligning mark")
square = i3.ChildCellProperty(doc="grating with pitch 1", locked=True)
tt_square = i3.TraceTemplateProperty(doc="Wide trace template used ")
layName = i3.StringProperty(default = 'new')
props = i3.DictProperty()
def _default_props(self):
return AssignProcess(self.layName)
def _default_tt_square(self):
tt_w = WireWaveguideTemplate()
tt_w.Layout(core_width=(self.size),
cladding_width=(self.size),
**self.props
)
print 'ttw in Square is ', tt_w
return tt_w
def _default_square(self):
rect=i3.Waveguide(trace_template=self.tt_square)
layout_rect = rect.Layout(shape=[(0.0, self.size/2.0),(self.size,self.size/2.0)])
print 'The trace template of the hline of the cross ', rect.trace_template
return rect
def _default_child_cells(self):
child_cells={"S1" : self.square,
}
return child_cells
class Layout(PlaceComponents.Layout):
def _default_child_transformations(self):
child_transformations={
"S1" : i3.Translation(translation=(-(self.size*0.5),(-self.size*0.5))),
}
return child_transformations
class BondPad(i3.PCell):
"""Base bondpad class used in our aeponyx PDK.
A bondpad is a large rectangular area on the top metal layer for connecting external electrical wires, flip-chip bumps or probe needles.
"""
via = i3.ChildCellProperty()
def _default_via(self):
return VIA_M1_M2()
class Layout(i3.LayoutView):
metal1_size = i3.Size2Property(default=(50.0, 50.0))
metal2_size = i3.Size2Property(default=(50.0, 50.0))
via_pitch = i3.Size2Property(default=(2.0, 2.0))
metal1_layer = i3.LayerProperty(default=i3.TECH.PPLAYER.M1.LINE, locked=True)
metal2_layer = i3.LayerProperty(default=i3.TECH.PPLAYER.M2.LINE, locked=True)
def _generate_instances(self, insts):
from numpy import floor
via_span_x = min(self.metal1_size[0], self.metal2_size[0])
via_span_y = min(self.metal1_size[1], self.metal2_size[1])
periods_x = int(floor(via_span_x / self.via_pitch[0]))
periods_y = int(floor(via_span_y / self.via_pitch[1]))
insts += i3.ARef(reference=self.via,
origin=(-0.5 * via_span_x + 0.5 * self.via_pitch[0], -0.5 * via_span_y + 0.5 * self.via_pitch[1]),
period=self.via_pitch,
n_o_periods=(periods_x, periods_y))
return insts
def _generate_elements(self, elems):
elems += i3.Rectangle(layer=self.metal1_layer, box_size=self.metal1_size)
elems += i3.Rectangle(layer=self.metal2_layer, box_size=self.metal2_size)
return elems
def _generate_ports(self, ports):
ports += i3.ElectricalPort(name="m1", position=(0.0, 0.0), shape=self.metal1_size, process=self.metal1_layer.process)
ports += i3.ElectricalPort(name="m2", position=(0.0, 0.0), shape=self.metal2_size, process=self.metal2_layer.process)
return ports
class Netlist(i3.NetlistFromLayout):
pass
class Splitter3(APAC):
splitter = i3.ChildCellProperty(doc="splitter used")
spacing_x = i3.PositiveNumberProperty(default=200.0)
spacing_y = i3.PositiveNumberProperty(default=100.0)
def _default_splitter(self):
return MMI_12()
def _default_child_cells(self):
childs = dict()
childs["sp_0_0"] = self.splitter
childs["sp_1_0"] = self.splitter
childs["sp_1_1"] = self.splitter
return childs
def _default_connectors(self):
conn = []
conn.append(("sp_0_0:out1", "sp_1_0:in1", sbend))
conn.append(("sp_0_0:out2", "sp_1_1:in1", sbend))
return conn
class Layout(APAC.Layout):
def _default_child_transformations(self):
trans = dict()
from routing.transforms import relative_placer
trans["sp_0_0"] = i3.Rotation(rotation=30.0) + i3.Translation(
translation=(10.0, 10.0))
trans["sp_1_0"] = relative_placer(
self.child_cells, trans, "sp_0_0:out1", "sp_1_0:in1",
(self.spacing_x, -self.spacing_y / 2), 0.0)
trans["sp_1_1"] = relative_placer(
self.child_cells, trans, "sp_0_0:out2", "sp_1_1:in1",
(self.spacing_x, +self.spacing_y / 2), 0.0)
return trans
class Splitter3(APAC):
splitter = i3.ChildCellProperty(doc="splitter used")
spacing_x = i3.PositiveNumberProperty(default=100.0,
doc="spacing port to port")
spacing_y = i3.PositiveNumberProperty(default=200.0,
doc="spacing port to port")
def _default_splitter(self):
return MMI_12(name=self.name + "_MMI")
def _default_child_cells(self):
childs = dict()
childs["sp_0_0"] = self.splitter
childs["sp_1_0"] = self.splitter
childs["sp_1_1"] = self.splitter
return childs
def _default_connectors(self):
conn = []
conn.append(("sp_0_0:out1", "sp_1_0:in1", sbend))
conn.append(("sp_0_0:out2", "sp_1_1:in1", sbend))
return conn
class Layout(APAC.Layout):
def _default_child_transformations(self):
trans = dict()
trans["sp_0_0"] = (0, 0)
trans["sp_1_0"] = (self.spacing_x, -self.spacing_y / 2.0)
trans["sp_1_1"] = (self.spacing_x, +self.spacing_y / 2.0)
return trans
class MMI2112(PlaceAndAutoRoute):
# wg_sm = i3.WaveguideTemplateProperty()
# wg_t1 = i3.WaveguideTemplateProperty()
# mmi_trace_template = i3.WaveguideTemplateProperty()
# mmi_access_template = i3.WaveguideTemplateProperty()
start_id = i3.PositiveNumberProperty(doc="name", default=1)
ring1 = i3.ChildCellProperty()
ring2 = i3.ChildCellProperty()
# WG1 = i3.ChildCellProperty()
# WG2 = i3.ChildCellProperty()
def _default_links(self):
links = [
# ("MMI1a:out2", "WGuptaper2:out"),
# ("MMI1a:out1", "WGdowntaper2:out"),
("MMI1b:in1", "MMI1a:out2"),
# ("WGuptaper:out", "MMI1b:in2"),
# ("WGdowntaper:out", "MMI1b:in1")
]
return links
def _default_child_cells(self):
child_cells = {"MMI1a": self.ring1, "MMI1b": self.ring2}
return child_cells
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_connection")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_ring1(self):
ring1 = RingRectSymm180DropFilter(
name="my_rectsymm180dropring{}".format(str(self.start_id)),
ring_trace_template=self.trace_template)
return ring1
def _default_ring2(self):
ring2 = RingRectSymm180DropFilter(
name="my_rectsymm180dropring2{}".format(str(self.start_id)),
ring_trace_template=self.trace_template)
return ring2
class Layout(PlaceAndAutoRoute.Layout):
radius = i3.PositiveNumberProperty(doc="radius", default=200.0)
gap = i3.PositiveNumberProperty(doc="gap", default=1.0)
length = i3.PositiveNumberProperty(doc="coupler_length", default=60.0)
# def _default_mmi1_12(self):
# layout_mmi1_12 = self.cell.mmi1_12.get_default_view(i3.LayoutView)
# layout_mmi1_12.set(transition_length=200.0, length=self.length, trace_spacing=11.0)
# return layout_mmi1_12
def _default_ring1(self):
layout_ring1 = self.cell.ring1.get_default_view(i3.LayoutView)
layout_ring1.set(
bend_radius=self.radius,
coupler_lengths=[self.length, self.length],
coupler_radii=[300.0, 300.0],
coupler_angles=[90.0, 90.0],
coupler_spacings=[3.8 + self.gap, 3.8 + self.gap],
straights=(self.length, 0.0),
# manhattan=True,
)
return layout_ring1
def _default_ring2(self):
layout_ring1 = self.cell.ring2.get_default_view(i3.LayoutView)
layout_ring1.set(
bend_radius=self.radius + 20,
coupler_lengths=[self.length, self.length],
coupler_radii=[300.0, 300.0],
coupler_angles=[90.0, 90.0],
coupler_spacings=[3.8 + self.gap, 3.8 + self.gap],
straights=(self.length, 0.0),
# manhattan=True,
)
return layout_ring1
def _default_child_transformations(self):
# print self.cell.mmi1_12.get_default_view(i3.LayoutView).length
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['in1'].x
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x
# a = self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x - \
# self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['in1'].x
child_transformations = {"MMI1a": (0, -2000), "MMI1b": (0, 2500)}
return child_transformations
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
class v8(PlaceAndAutoRoute):
wg_t1 = i3.WaveguideTemplateProperty()
wg_sm = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
mmi1_12 = i3.ChildCellProperty()
mmi1_21 = i3.ChildCellProperty()
WG1 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
def _default_links(self):
links = [("MMI1a:out2", "WGuptaper2:out"),
("MMI1a:out1", "WGdowntaper2:out"), ("MMI1b:out", "MMI1a:in"),
("WGuptaper:out", "MMI1b:in2"),
("WGdowntaper:out", "MMI1b:in1")]
return links
def _default_child_cells(self):
child_cells = {
"MMI1a": self.mmi1_12,
"MMI1b": self.mmi1_21,
"WGup": self.WG1,
"WGdown": self.WG1,
"WGup2": self.WG1,
"WGdown2": self.WG1,
"WGuptaper": self.WG2,
"WGdowntaper": self.WG2,
"WGuptaper2": self.WG2,
"WGdowntaper2": self.WG2
}
return child_cells
def _default_trace_template(self):
trace_template = self.wg_sm
return trace_template
def _default_mmi1_12(self):
mmi12 = MMI1x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
)
return mmi12
def _default_mmi1_21(self):
mmi21 = MMI2x1Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
)
return mmi21
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(start_trace_template=self.wg_t1,
end_trace_template=self.wg_sm)
return WG2
def _default_WG1(self):
WG1 = i3.Waveguide(name="Dongbo", trace_template=self.wg_t1)
return WG1
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate()
wg_t1.Layout(core_width=15.0,
cladding_width=15.0 + 16.0,
core_process=i3.TECH.PROCESS.WG)
return wg_t1
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate()
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate()
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 16.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate()
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 16.0)
return mmi_access_template
class Layout(PlaceAndAutoRoute.Layout):
length = i3.PositiveNumberProperty(name="MMI length", default=97)
def _default_WG1(self):
layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
return layout_WG1
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(150.0, 0.0),
end_position=(450.0, 0.0))
return layout_WG2
def _default_mmi1_12(self):
layout_mmi1_12 = self.cell.mmi1_12.get_default_view(i3.LayoutView)
layout_mmi1_12.set(transition_length=200.0,
length=self.length,
trace_spacing=11.0)
return layout_mmi1_12
def _default_mmi1_21(self):
layout_mmi1_21 = self.cell.mmi1_21.get_default_view(i3.LayoutView)
layout_mmi1_21.set(transition_length=200.0,
length=self.length,
trace_spacing=11.0)
return layout_mmi1_21
def _default_child_transformations(self):
child_transformations = {
"MMI1a": (1887, 0),
"MMI1b": (1300, 0),
"WGup": (0, 4000),
"WGuptaper": (0, 4000),
"WGdown": (0, -4000),
"WGdowntaper": (0, -4000),
"WGuptaper2": i3.HMirror() + i3.Translation((3400, 4000)),
"WGdowntaper2": i3.HMirror() + i3.Translation((3400, -4000)),
"WGup2": (3250, 4000),
"WGdown2": (3250, -4000)
}
return child_transformations
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
class my_MMI2112(PlaceAndAutoRoute):
DC_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="Length of MMI")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty(doc="board WG")
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(core_width=self.width,
cladding_width=self.width + 2 * 12.0,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 2 * 12.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)), trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(
name="ports{}".format(str(self.width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate(name="MMI_tt")
mmi_trace_template.Layout(core_width=20.0, cladding_width=20.0 + 2 * 12) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate(name="MMI_at")
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 2 * 12)
return mmi_access_template
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2112()
cell.Layout(name="MMI2112_l_{}".format(str(self.gap_inc_vec[l])),
length=self.gap_inc_vec[l]
)
# cell = RingRectSymm180DropFilter(name='ring' + str(dl) + str(self.length),
# ring_trace_template=self.trace_template)
# cell.Layout(bend_radius=200,
# coupler_lengths=[self.length, self.length],
# coupler_radii=[300.0, 300.0],
# coupler_angles=[90.0, 90.0],
# coupler_spacings=[3.8 + self.gap_inc_vec[l], 3.8 + self.gap_inc_vec[l]],
# straights=(self.length, 0.0),
# # manhattan=True,
# )
MMI22_list.append(cell)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 12, 1):
print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
return child_cells
def _default_links(self):
links = [
("taper0:out", "ring0:MMI1b_in2"),
("taper1:out", "ring0:MMI1b_in1"),
("taper2:out", "ring0:MMI1a_out2"),
("taper3:out", "ring0:MMI1a_out1"),
("taper4:out", "ring1:MMI1b_in2"),
("taper5:out", "ring1:MMI1b_in1"),
("taper6:out", "ring1:MMI1a_out2"),
("taper7:out", "ring1:MMI1a_out1"),
("taper8:out", "ring2:MMI1b_in2"),
("taper9:out", "ring2:MMI1b_in1"),
("taper10:out", "ring2:MMI1a_out2"),
("taper11:out", "ring2:MMI1a_out1"),
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 10000
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
trans['ring0'] = (2500, 0)
trans['ring1'] = (2500, 0 + column)
trans['ring2'] = (2500, 0 + 2 * column)
# trans['ring3'] = (1500, 0 + 3 * column)
trans["taper0"] = (0, 4000)
trans["taper1"] = (0, -4000)
trans["taper2"] = i3.HMirror(0) + i3.Translation((5000, 2500))
trans["taper3"] = i3.HMirror(0) + i3.Translation((5000, -2500))
trans["taper4"] = (0, 4000 + column)
trans["taper5"] = (0, -4000 + column)
trans["taper6"] = i3.HMirror(0) + i3.Translation((5000, 2500 + column))
trans["taper7"] = i3.HMirror(0) + i3.Translation((5000, -2500 + column))
trans["taper8"] = (0, 4000 + 2 * column)
trans["taper9"] = (0, -4000 + 2 * column)
trans["taper10"] = i3.HMirror(0) + i3.Translation((5000, 2500 + 2 * column))
trans["taper11"] = i3.HMirror(0) + i3.Translation((5000, -2500 + 2 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
class MZI(CircuitCell):
control_points = i3.ListProperty(
doc="Position of the control point for the longer arm of the MZI")
bend_radius = i3.PositiveNumberProperty(
default=5.0, doc="Bend radius of the waveguides")
fgc = i3.ChildCellProperty(locked=True,
doc="PCell for the fiber grating coupler")
splitter = i3.ChildCellProperty(locked=True, doc="PCell for the Y-Branch")
dir_coupler = i3.ChildCellProperty(locked=True,
doc="PCell for the directional coupler")
def _default_control_points(self):
return [(100.0, 220.0)]
def _default_fgc(self):
return pdk.EbeamGCTE1550()
def _default_splitter(self):
return pdk.EbeamY1550()
def _default_dir_coupler(self):
return pdk.EbeamBDCTE1550()
def _default_child_cells(self):
child_cells = {
"fgc_1": self.fgc,
"fgc_2": self.fgc,
"fgc_3": self.fgc,
"yb": self.splitter,
"dc": self.dir_coupler,
}
return child_cells
def _default_joins(self):
joins = [("fgc_3:opt1", "yb:opt1")]
return joins
def _default_connectors(self):
br = self.bend_radius
connectors = [
("yb:opt3", "dc:opt2", manhattan, {
"bend_radius": br
}),
("yb:opt2", "dc:opt1",
partial(manhattan, control_points=self.control_points), {
"bend_radius": br
}),
("dc:opt4", "fgc_2:opt1", manhattan, {
"bend_radius": br
}),
("dc:opt3", "fgc_1:opt1", manhattan, {
"bend_radius": br
}),
]
return connectors
def _default_place_specs(self):
place_specs = [
i3.Place("fgc_1:opt1", (0, 0)),
i3.PlaceRelative("fgc_2:opt1", "fgc_1:opt1", (0.0, 120.0)),
i3.PlaceRelative("fgc_3:opt1", "fgc_2:opt1", (0.0, 120.0)),
i3.PlaceRelative("dc:opt1", "yb:opt2", (20.0, -40.0), angle=90),
]
return place_specs
def _default_external_port_names(self):
epn = {
"fgc_3:fib1": "in",
"fgc_2:fib1": "out1",
"fgc_1:fib1": "out2",
}
return epn
class MMI2112(PlaceAndAutoRoute):
wg_t1 = i3.WaveguideTemplateProperty()
wg_sm = i3.WaveguideTemplateProperty()
wg_sm2 = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
mmi1_12 = i3.ChildCellProperty()
mmi1_21 = i3.ChildCellProperty()
# mmi1_12_taper = i3.ChildCellProperty()
# mmi1_21_taper = i3.ChildCellProperty()
WG1 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
length = i3.PositiveNumberProperty(doc="MMI length", default=97)
def _default_links(self):
links = [
# ("MMI1a:out2", "WGuptaper2:out"),
# ("MMI1a:out1", "WGdowntaper2:out"),
("MMI1b:out", "MMI1a:in"),
# ("WGuptaper:out", "MMI1b:in2"),
# ("WGdowntaper:out", "MMI1b:in1")
]
return links
def _default_child_cells(self):
child_cells = {
"MMI1a": self.mmi1_12,
"MMI1b": self.mmi1_21,
# "WGup": self.WG1,
# "WGdown": self.WG1,
# "WGup2": self.WG1,
# "WGdown2": self.WG1,
# "WGuptaper": self.WG2,
# "WGdowntaper": self.WG2,
# "WGuptaper2": self.WG2,
# "WGdowntaper2": self.WG2
}
return child_cells
def _default_trace_template(self):
trace_template = self.wg_sm2
return trace_template
def _default_mmi1_12(self):
mmi12 = MMI1x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["out1", "out2"],
)
mmi12.Layout(transition_length=200.0,
length=self.length,
trace_spacing=11.0)
mmi1_12_taper = AutoTransitionPorts(name="MMI12",
contents=mmi12,
port_labels=['in'],
trace_template=self.wg_sm2)
mmi1_12_taper.Layout(transition_length=200.0)
return mmi1_12_taper
# def _default_mmi1_12_taper(self):
# mmi1_12_taper = AutoTransitionPorts(contents=self.mmi1_12,
# port_labels=['in'],
# trace_template=self.wg_sm2)
# mmi1_12_taper.Layout(transition_length=200.0)
# return mmi1_12_taper
def _default_mmi1_21(self):
mmi21 = MMI2x1Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["in1", "in2"],
)
mmi21.Layout(transition_length=200.0,
length=self.length,
trace_spacing=11.0)
mmi1_12_taper = AutoTransitionPorts(name="MMI21",
contents=mmi21,
port_labels=['out'],
trace_template=self.wg_sm2)
mmi1_12_taper.Layout(transition_length=200.0)
return mmi1_12_taper
# def _default_mmi1_21_taper(self):
# mmi1_21_taper = AutoTransitionPorts(contents=self.mmi1_21,
# port_labels=['out'],
# trace_template=self.wg_sm2)
# return mmi1_21_taper
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(start_trace_template=self.wg_t1,
end_trace_template=self.wg_sm)
return WG2
def _default_WG1(self):
WG1 = i3.Waveguide(name="Dongbo", trace_template=self.wg_t1)
return WG1
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate()
wg_t1.Layout(core_width=15.0,
cladding_width=15.0 + 16.0,
core_process=i3.TECH.PROCESS.WG)
return wg_t1
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate()
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_wg_sm2(self):
wg_sm2 = WireWaveguideTemplate()
wg_sm2.Layout(core_width=3.1, cladding_width=3.1 + 16.0)
return wg_sm2
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate()
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 16.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate()
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 16.0)
return mmi_access_template
# def _default_child_transformations(self):
# child_transformations = {"MMI1a": (500 + self.length, 0)
# # "MMI1b": (1300, 0),
# # "WGup": (0, 4000),
# # "WGuptaper": (0, 4000),
# # "WGdown": (0, -4000),
# # "WGdowntaper": (0, -4000),
# # "WGuptaper2": i3.HMirror() + i3.Translation((3400, 4000)),
# # "WGdowntaper2": i3.HMirror() + i3.Translation((3400, -4000)),
# # "WGup2": (3250, 4000),
# # "WGdown2": (3250, -4000)
# }
# return child_transformations
class Layout(PlaceAndAutoRoute.Layout):
# def _default_WG1(self):
# layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
# layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
# return layout_WG1
#
# def _default_WG2(self):
# layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
# layout_WG2.set(start_position=(150.0, 0.0), end_position=(450.0, 0.0))
# return layout_WG2
# def _default_mmi1_12(self):
# layout_mmi1_12 = self.cell.mmi1_12.get_default_view(i3.LayoutView)
# layout_mmi1_12.set(transition_length=200.0, length=self.length, trace_spacing=11.0)
# return layout_mmi1_12
# def _default_mmi1_12_taper(self):
# layout_mmi1_12_taper = self.cell.mmi1_12_taper.get_default_view(i3.LayoutView)
# layout_mmi1_12_taper.set(transition_length=200.0)
# return layout_mmi1_12_taper
# def _default_mmi1_21(self):
# layout_mmi1_21 = self.cell.mmi1_21.get_default_view(i3.LayoutView)
# layout_mmi1_21.set(transition_length=200.0, length=self.length, trace_spacing=11.0)
# # print layout_mmi1_21.ports['in1'].x
# return layout_mmi1_21
def _default_child_transformations(self):
# print self.cell.mmi1_12.get_default_view(i3.LayoutView).length
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['in1'].x
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x
a = self.cell.mmi1_21.get_default_view(
i3.LayoutView
).ports['out'].x - self.cell.mmi1_21.get_default_view(
i3.LayoutView).ports['in1'].x
child_transformations = {
"MMI1a": (a + 90, 0),
# "MMI1b": (1300, 0),
# "WGup": (0, 4000),
# "WGuptaper": (0, 4000),
# "WGdown": (0, -4000),
# "WGdowntaper": (0, -4000),
# "WGuptaper2": i3.HMirror() + i3.Translation((3400, 4000)),
# "WGdowntaper2": i3.HMirror() + i3.Translation((3400, -4000)),
# "WGup2": (3250, 4000),
# "WGdown2": (3250, -4000)
}
return child_transformations
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
class MZI_12_21(PlaceAndAutoRoute):
_name_prefix = 'MZIs'
#delay_length = i3.PositiveNumberProperty(default=132.0, doc="Delay length used in the mzi")
delay_length = i3.PositiveNumberProperty(default=0.00001, doc="Delay length used in the mzi")
R = i3.PositiveNumberProperty(default=200, doc="Radius of curvature")
#MMI12_list = i3.ChildCellListProperty(default=[])
MMI12 = i3.ChildCellProperty(default=[])
MMI21_list = i3.ChildCellListProperty(default=[])
MMI22_list = i3.ChildCellListProperty(default=[])
#MZI_12_21_list = i3.ChildCellListProperty(default=[])
MZI_12_22_list = i3.ChildCellListProperty(default=[])
MZI_22_22_list = i3.ChildCellListProperty(default=[])
#MMI22_list = i3.ChildCellListProperty()
wg_t = i3.TraceTemplateProperty(doc="trace template used")
wg_t_MM = i3.TraceTemplateProperty(doc="Trace template used in the MM part")
wg_t_port = i3.TraceTemplateProperty(doc="Trace template used in the ports")
width_inc_vec = i3.ListProperty(default=[])
length_inc_vec = i3.ListProperty(default=[])
l_taper =i3.PositiveNumberProperty(default=200.0, doc="Length of the tapers")
width=i3.PositiveNumberProperty(default=20.0, doc="width of MM")
length_12 =i3.PositiveNumberProperty(default=110.0, doc="Length of MMI 1x2")
length_22 =i3.PositiveNumberProperty(default=435.0, doc="Length of MMI 2x2")
ts_12=i3.PositiveNumberProperty(default=11.25, doc="trace spacing")
#ts for 12 is 7.0 --> MM=5 () L12=39.0 L22=158.0
#ts for 20 is 11 -->MM=9 (ts=11.25, MM=8.75) L12=110.0, L22=435.0
#ts for 30 is 16 -->MM=14 (ts=16.25, MM=13.75) L12=245.0, L22=980.0
chip_length = i3.PositiveNumberProperty(default=10000.0, doc="Radius of curvature")
#chip_length = i3.PositiveNumberProperty(default=7100.0, doc="Radius of curvature")
Port = i3.ChildCellProperty( doc="Used for ports")
tlport = i3.PositiveNumberProperty(default=200.0, doc="Transition legth to ports")
couplingWG = i3.ChildCellProperty(doc="", locked=True)
couplingWG_l=i3.PositiveNumberProperty(default=3000.0, doc="Length of the coupling WG ")
tt_port = i3.TraceTemplateProperty(doc="Wide trace template used for the contacts")
tipo = i3.PositiveNumberProperty(default=1, doc="type of out-couplers tipo==1, straight, tipo==2, 90 degree bend")
#template for Autorute
def _default_trace_template(self):
return self.wg_t
def _default_wg_t_MM(self):
tt_w = WireWaveguideTemplate()
tt_w.Layout(core_width=self.width,
cladding_width=self.width+2*8,
)
return tt_w
def _default_wg_t_port(self):
tt_w = WireWaveguideTemplate()
tt_w.Layout(core_width=8.75,
cladding_width=8.75+2*8,
)
return tt_w
def _default_wg_t(self):
tt_n = WireWaveguideTemplate()
tt_n.Layout(core_width=3.3,
cladding_width=3.3+2*8,
)
return tt_n
def _default_tt_port(self):
tt_port = WireWaveguideTemplate()
tt_port_layout=tt_port.Layout(core_width=15.0, cladding_width=15.0+2*8)
return tt_port
def _default_couplingWG(self):
rect=i3.Waveguide(trace_template=self.tt_port)
layout_rect = rect.Layout(shape=[(0.0, 0.0),(self.couplingWG_l,0.0)]
)
return rect
def _default_Port(self):
Port=AutoTransitionPorts(contents=self.couplingWG,
port_labels=["in"],
trace_template=self.wg_t)
layout_Port = Port.Layout(transition_length=self.tlport)#.visualize(annotate=True)
return Port
def _default_MMI12(self):
mmi12 = MMI1x2Tapered(mmi_trace_template=self.wg_t_MM,
input_trace_template=self.wg_t_port,
output_trace_template=self.wg_t_port,
trace_template=self.wg_t,
name = 'MMI12_w_{}_L_{}'.format(self.width,self.length_12 ),)
mmi12.Layout(transition_length=self.l_taper, length=self.length_12, trace_spacing=self.ts_12)#.visualize(annotate=True)
return mmi12
#################################################################################
def _default_MMI22_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.length_inc_vec):
print 'length number ' +str(l)
print 'dl ' + str(dl)
print 'MM length ' + str(self.length_22+dl)
cell = MMI2x2Tapered(mmi_trace_template=self.wg_t_MM,
input_trace_template=self.wg_t_port,
output_trace_template=self.wg_t_port,
trace_template=self.wg_t ,
name = 'MMI22_w_'+str(self.width) +'_l_'+str(self.length_22+dl))
cell.Layout(transition_length=self.l_taper, length=self.length_22+dl, trace_spacing=self.ts_12)
MMI22_list.append(cell)
print 'cell name '+str(cell.name)
print '__________________________'
for w, dw in enumerate(self.width_inc_vec):
MM_w=self.width+dw
print 'width number ' +str(w)
print 'dw ' + str(dw)
print 'MM width ' + str(MM_w)
wg_t_MM_w = WireWaveguideTemplate()
wg_t_MM_w.Layout(core_width=MM_w,
cladding_width=MM_w+2*8,
)
cell = MMI2x2Tapered(mmi_trace_template=wg_t_MM_w,
input_trace_template=self.wg_t_port,
output_trace_template=self.wg_t_port,
trace_template=self.wg_t,
name = 'MMI22_w_'+str(self.width+dw) +'_l_'+str(self.length_22))
cell.Layout(transition_length=self.l_taper, length=self.length_22, trace_spacing=self.ts_12+dw)#.visualize(annotate=True)
print cell
MMI22_list.append(cell)
print 'cell name '+str(cell.name)
print '__________________________'
print 'last MMI22 done'
print '_ _ _ _ _ _ _ _ _ _ _ _ _ '
return MMI22_list
def _default_MZI_12_22_list(self):
print '____________ MZI_1x2_2x2 ______________'
MZI_12_22_list = []
counter=1
print '____________ MZI_1x2_2x2 list ______________'
for i, m in enumerate(self.MMI22_list):
print 'MZI number ' + str(counter)
cell = MZIWaveguides(name='MZI_12_22:'+str(self.MMI12.name)+str(m.name),
trace_template=self.wg_t,
splitter=self.MMI12,
combiner=m,
splitter_port_names=['out1','out2'],
combiner_port_names=['in1','in2'])
cell.Layout(bend_radius=self.R, delay_length=self.delay_length)#.visualize(annotate=True)
MZI_12_22_list.append(cell)
counter=counter+1
print 'splitter '+ cell.splitter.name
print 'combiner '+ cell.combiner.name
print cell.name
print '__________________________'
print "Last MMI_12_22 done"
print '_ _ _ _ _ _ _ _ _ _ _ _ _ '
return MZI_12_22_list
def _default_MZI_22_22_list(self):
print '____________ MZI_2x2_2x2 ______________'
MZI_22_22_list = []
counter=1
print '____________ MZI_2x2_2x2 list ______________'
for i, m in enumerate(self.MMI22_list):
print 'MZI number ' + str(counter)
cell = MZIWaveguides(name='MZI_22_22:'+str(m.name),
trace_template=self.wg_t,
splitter=m,
combiner=m,
splitter_port_names=['out1','out2'],
combiner_port_names=['in1','in2'])
cell.Layout(bend_radius=self.R,delay_length=self.delay_length)#.visualize(annotate=True)
MZI_22_22_list.append(cell)
counter=counter+1
print 'splitter '+ cell.splitter.name
print 'combiner '+ cell.combiner.name
print cell.name
print '__________________________'
print "Last MMI_22_22 done"
print '_ _ _ _ _ _ _ _ _ _ _ _ _ '
return MZI_22_22_list
#################################################################################
def _default_child_cells(self):
print '____________ Child cells ______________'
child_cells = {}
for counter, child in enumerate(self.MZI_22_22_list):
print 'child number'+str(counter)
child_cells['mzi_22_22_' + str(counter)] = child
child_cells['InPort1_' + str(counter)] = self.Port
child_cells['OutPort1_' + str(counter)]= self.Port
child_cells['InPort2_' + str(counter)] = self.Port
child_cells['OutPort2_' + str(counter)]= self.Port
print 'child name ' +str(child.name)
print child
#################
for counter2, child in enumerate(self.MZI_12_22_list):
print 'child number'+str(counter+1+counter2)
child_cells['mzi_12_22_' + str(counter+1+counter2)] = child
child_cells['InPort_' + str(counter+1+counter2)] = self.Port
child_cells['OutPort1_' + str(counter+1+counter2)]= self.Port
child_cells['OutPort2_' + str(counter+1+counter2)]= self.Port
print 'child name ' +str(child.name)
print child
###################
print '__________________________'
child_cells['InPortWG1'] = self.Port
child_cells['OutPortWG1'] = self.Port
child_cells['InPortWG2'] = self.Port
child_cells['OutPortWG2'] = self.Port
child_cells['InPortWG3'] = self.Port
child_cells['OutPortWG3'] = self.Port
print "Last child cell done"
print '_ _ _ _ _ _ _ _ _ _ _ _ _ '
return child_cells
def _default_links(self):
links = []
for counter, child in enumerate(self.MZI_22_22_list):
print counter
in_port = "InPort1_{}:in".format(counter)
print 'in_port', in_port
out_port = 'mzi_22_22_{}:splitter_in1'.format(counter)
print 'out_port', in_port
links.append((in_port, out_port))
in_port = "InPort2_{}:in".format(counter)
print 'in_port', in_port
out_port = 'mzi_22_22_{}:splitter_in2'.format(counter)
links.append((in_port, out_port))
out_port = "OutPort1_{}:in".format(counter)
in_port = 'mzi_22_22_{}:combiner_out1'.format(counter)
print 'in_port', in_port
links.append((in_port, out_port))
out_port = "OutPort2_{}:in".format(counter)
in_port = 'mzi_22_22_{}:combiner_out2'.format(counter)
print 'in_port', in_port
links.append((in_port, out_port))
for counter2, child in enumerate(self.MZI_12_22_list):
out_port = "InPort_{}:in".format(counter+1+counter2)
in_port = 'mzi_12_22_{}:splitter_in'.format(counter+1+counter2)
links.append((in_port, out_port))
in_port = "OutPort1_{}:in".format(counter+1+counter2)
out_port = 'mzi_12_22_{}:combiner_out1'.format(counter+1+counter2)
links.append((in_port, out_port))
in_port = "OutPort2_{}:in".format(counter+1+counter2)
out_port = 'mzi_12_22_{}:combiner_out2'.format(counter+1+counter2)
links.append((in_port, out_port))
links.append(("InPortWG1:in", "OutPortWG1:in"))
links.append(("InPortWG2:in", "OutPortWG2:in"))
links.append(("InPortWG3:in", "OutPortWG3:in"))
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_bend_radius(self):
return self.R
def _default_start_straight(self):
return 1.0
print '____________ Layout mask ______________'
def _default_child_transformations(self):
d={}
a=2.2
for counter, child in enumerate(self.MZI_22_22_list):
if self.tipo==1:
d['mzi_22_22_' + str(counter)] = i3.Translation(translation=((-1)**counter*2*self.R,counter*5*self.R))
d['InPort1_' + str(counter)] = i3.HMirror()+i3.Translation(translation=(-self.chip_length*0.5, counter*5*self.R-2.2*self.R))
d['OutPort1_' + str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5, counter*5*self.R-2.2*self.R))
d['InPort2_' + str(counter)] = i3.HMirror()+i3.Translation(translation=(-self.chip_length*0.5, counter*5*self.R+2.2*self.R))
d['OutPort2_' + str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5, counter*5*self.R+2.2*self.R))
print 'transformation ' +str(counter) + ' is ' +str(d)
if self.tipo==2:
#l_coupling=self.child_cells['Coupler'].l_coupling
#radius=self.child_cells['Coupler'].local_bend_radius
print 'R= ',self.R
#print 'translation port: '
##For w=20
d['mzi_22_22_' + str(counter)] = i3.Translation(translation=(counter*850+1200+1000+200,-counter*5*self.R))
d['InPort1_'+ str(counter)] = i3.HMirror()+i3.Translation(translation=(1500, -5*self.R*counter-a*self.R))
d['OutPort1_'+ str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+counter*50+counter*4*self.R+a*self.R-100, self.R*a))
d['InPort2_'+ str(counter)] = i3.HMirror()+i3.Translation(translation=(1500, -5*self.R*counter+a*self.R))
d['OutPort2_'+ str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+counter*50+counter*4*self.R-100, self.R*a))
d['InPortWG1'] = i3.HMirror()+i3.Translation(translation=(1500, 1000.0))
d['OutPortWG1']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5-500, self.R*a))
d['InPortWG2'] = i3.HMirror()+i3.Translation(translation=(1500, -3400+670))
d['OutPortWG2']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+2500, self.R*a))
d['InPortWG3'] = i3.HMirror()+i3.Translation(translation=(1500, -6500))
d['OutPortWG3']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+5600, self.R*a))
#d['mzi_22_22_' + str(counter)] = i3.Translation(translation=(counter*850+1200+1000+200,-counter*5*self.R))
#d['InPort1_'+ str(counter)] = i3.HMirror()+i3.Translation(translation=(1500, -5*self.R*counter-a*self.R))
#d['OutPort1_'+ str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+1100+counter*50+counter*4*self.R+a*self.R-100, self.R*a))
#d['InPort2_'+ str(counter)] = i3.HMirror()+i3.Translation(translation=(1500, -5*self.R*counter+a*self.R))
#d['OutPort2_'+ str(counter)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+1100+counter*50+counter*4*self.R-100, self.R*a))
#d['InPortWG1'] = i3.HMirror()+i3.Translation(translation=(1500, 1000.0))
#d['OutPortWG1']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5-500+1200, self.R*a))
#d['InPortWG2'] = i3.HMirror()+i3.Translation(translation=(1500, -3400+670))
#d['OutPortWG2']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+2500+1100, self.R*a))
#d['InPortWG3'] = i3.HMirror()+i3.Translation(translation=(1500, -6500))
#d['OutPortWG3']= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+5600+1400, self.R*a))
################
for counter2, child in enumerate(self.MZI_12_22_list):
if self.tipo==1:
d['mzi_12_22_' + str(counter+1+counter2)] = i3.Translation(translation=((-1)**counter2*2*self.R-self.length_22+counter*50+counter*4*self.R,(counter+1+counter2)*5*self.R))
d['InPort_' + str(counter+1+counter2)] = i3.HMirror()+i3.Translation(translation=(-self.chip_length*0.5, (counter+1+counter2)*5*self.R))
d['OutPort1_' + str(counter+1+counter2)]= i3.Translation(translation=(self.chip_length*0.5-self.bend_radius*counter*0.2-a*self.R-550, (counter+1+counter2)*5*self.R-2.2*self.R))
d['OutPort2_' + str(counter+1+counter2)]= i3.Translation(translation=(self.chip_length*0.5-self.bend_radius*counter*0.2-550, (counter+1+counter2)*5*self.R+2.2*self.R))
if self.tipo==2:
#l_coupling=self.child_cells['Coupler'].l_coupling
#radius=self.child_cells['Coupler'].local_bend_radius
print 'R= ',self.R
a=2.2
b=500
d['mzi_12_22_'+ str(counter+1+counter2)] = i3.Translation(translation=((counter+2+counter2)*850+1200+200+580,-(counter+1+counter2)*5*self.R-b))
d['InPort_'+ str(counter+1+counter2)] = i3.HMirror()+i3.Translation(translation=(1500, -(5*self.R)*(counter+1+counter2)-b))
d['OutPort1_'+ str(counter+1+counter2)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+(counter+1+counter2)*50+a*self.R+(counter+1+counter2)*4*self.R+b, self.R*a))
d['OutPort2_'+ str(counter+1+counter2)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+(counter+1+counter2)*50+(counter+1+counter2)*4*self.R+b,self.R*a))
#d['mzi_12_22_'+ str(counter+1+counter2)] = i3.Translation(translation=((counter+2+counter2)*850+1200+200+580+1000,-(counter+1+counter2)*5*self.R-b))
#d['InPort_'+ str(counter+1+counter2)] = i3.HMirror()+i3.Translation(translation=(1500, -(5*self.R)*(counter+1+counter2)-b))
#d['OutPort1_'+ str(counter+1+counter2)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+1200+(counter+1+counter2)*50+a*self.R+(counter+1+counter2)*4*self.R+b, self.R*a))
#d['OutPort2_'+ str(counter+1+counter2)]= i3.Rotation(rotation=90.0)+i3.Translation(translation=(self.chip_length*0.5+1200+(counter+1+counter2)*50+(counter+1+counter2)*4*self.R+b,self.R*a))
################
print '__________________________'
print "Last layout child cell done"
print d
print '_ _ _ _ _ _ _ _ _ _ _ _ _ '
return d
def _generate_elements(self, elems):
for counter, child in enumerate(self.MZI_22_22_list):
name=child.name
print name
elems += i3.PolygonText(layer= i3.TECH.PPLAYER.WG.TEXT, text='Name={}_R={}_delay={}'.format(name, self.R, self.delay_length),
coordinate=(0.0, -counter*5*self.R+2*self.R-50.0#-100
),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font = 2,
height=20.0)
elems += i3.PolygonText(layer= i3.TECH.PPLAYER.WG.TEXT, text='Name={}_R={}_delay={}'.format(name, self.R, self.delay_length),
coordinate=(0.0, -counter*5*self.R-2*self.R+50.0#-100
),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font = 2,
height=20.0)
for counter2, child in enumerate(self.MZI_12_22_list):
name=child.name
print name
elems += i3.PolygonText(layer= i3.TECH.PPLAYER.WG.TEXT, text='Name={}'.format(name),
coordinate=(0.0, -(counter+1+counter2)*5*self.R-90.0-500#-100
),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font = 2,
height=20.0)
return elems
class my_dc(PlaceAndAutoRoute):
DC_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="Length of MMI")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty(doc="board WG")
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 2 * 12.0,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 2 * 12.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}".format(str(self.width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate(name="MMI_tt")
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 2 * 12) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate(name="MMI_at")
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 2 * 12)
return mmi_access_template
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.trace_template,
)
cell.Layout(name="MMI22_l_{}".format(str(self.gap_inc_vec[l])),
transition_length=200.0,
length=self.gap_inc_vec[l],
trace_spacing=11.0)
# cell = RingRectSymm180DropFilter(name='ring' + str(dl) + str(self.length),
# ring_trace_template=self.trace_template)
# cell.Layout(bend_radius=200,
# coupler_lengths=[self.length, self.length],
# coupler_radii=[300.0, 300.0],
# coupler_angles=[90.0, 90.0],
# coupler_spacings=[3.8 + self.gap_inc_vec[l], 3.8 + self.gap_inc_vec[l]],
# straights=(self.length, 0.0),
# # manhattan=True,
# )
MMI22_list.append(cell)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 12, 1):
print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
return child_cells
def _default_links(self):
links = [
("taper0:out", "ring0:in2"),
("taper1:out", "ring0:in1"),
("taper2:out", "ring0:out2"),
("taper3:out", "ring0:out1"),
("taper4:out", "ring1:in2"),
("taper5:out", "ring1:in1"),
("taper6:out", "ring1:out2"),
("taper7:out", "ring1:out1"),
("taper8:out", "ring2:in2"),
("taper9:out", "ring2:in1"),
("taper10:out", "ring2:out2"),
("taper11:out", "ring2:out1"),
# ("taper12:out", "ring3:out2"),
# ("taper13:out", "ring3:in1"),
# ("taper14:out", "ring3:in2"),
# ("taper15:out", "ring3:out1"),
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 10000
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
trans['ring0'] = (2500, 0)
trans['ring1'] = (2500, 0 + column)
trans['ring2'] = (2500, 0 + 2 * column)
# trans['ring3'] = (1500, 0 + 3 * column)
trans["taper0"] = (0, 4000)
trans["taper1"] = (0, -4000)
trans["taper2"] = i3.HMirror(0) + i3.Translation((5000, 2500))
trans["taper3"] = i3.HMirror(0) + i3.Translation((5000, -2500))
trans["taper4"] = (0, 4000 + column)
trans["taper5"] = (0, -4000 + column)
trans["taper6"] = i3.HMirror(0) + i3.Translation(
(5000, 2500 + column))
trans["taper7"] = i3.HMirror(0) + i3.Translation(
(5000, -2500 + column))
trans["taper8"] = (0, 4000 + 2 * column)
trans["taper9"] = (0, -4000 + 2 * column)
trans["taper10"] = i3.HMirror(0) + i3.Translation(
(5000, 2500 + 2 * column))
trans["taper11"] = i3.HMirror(0) + i3.Translation(
(5000, -2500 + 2 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
# def _generate_elements(self, elems):
#
#
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.mmi22.get_default_view(i3.LayoutView).name,
# self.cell.wg_t1.name),
# coordinate=(1300.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.mmi22.get_default_view(i3.LayoutView).name,
# self.cell.wg_t1.name),
# coordinate=(-2000.0, -150.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=200.0,
# transformation=i3.Rotation((0.0, 0.0), 90.0))
#
# return elems
def _generate_elements(self, elems):
for counter, child in enumerate(self.DC_list):
name = child.name
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}_{}".format(name, self.cell.wg_t1.name),
# coordinate=(1300.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0,
transformation=i3.Translation(
(2500, 100 + 10000 * counter)))
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}_{}".format(name, self.cell.wg_t1.name),
# coordinate=(-2000, -150),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=200.0,
transformation=i3.Rotation(
(0.0, 0.0), 90.0) + i3.Translation(
(450, -2000 + 10000 * counter)))
return elems
class my_dc(PlaceAndAutoRoute):
# dc = i3.ChildCellProperty()
# dc2 = i3.ChildCellProperty()
DC_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="gap")
length = i3.PositiveNumberProperty(default=80.0, doc="Length of coupler")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty()
# wg_dc2 = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
# start_id = i3.PositiveNumberProperty(doc="name_id", default=1)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 16,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}".format(str(self.width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = RingRectSymm180DropFilter(
name='SR_GAP={}_L={}'.format(str(dl), str(self.length)),
ring_trace_template=self.trace_template)
cell.Layout(
bend_radius=200,
coupler_lengths=[self.length, self.length],
coupler_radii=[300.0, 300.0],
coupler_angles=[90.0, 90.0],
coupler_spacings=[
3.8 + self.gap_inc_vec[l], 3.8 + self.gap_inc_vec[l]
],
straights=(self.length, 0.0),
# manhattan=True,
)
cell2 = RingRectSymmNotchFilter(
name='ring_s' + str(dl) + str(self.length),
ring_trace_template=self.trace_template)
cell2.Layout(
bend_radius=200,
coupler_lengths=[self.length, self.length],
coupler_radii=[300, 300],
coupler_angles=[90.0, 90],
coupler_spacings=[(3.8 + self.gap_inc_vec[l])],
straights=(self.length, 0.0),
# manhattan=True,
)
MMI22_list.append(cell)
MMI22_list.append(cell2)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 24, 1):
print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
# child_cells["dircoup1"] = self.dc
# child_cells["dircoup2"] = self.dc2
# child_cells["straight"] = self.WG2
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
return child_cells
def _default_links(self):
links = [
("taper0:out", "ring0:out2"),
("taper1:out", "ring0:in1"),
("taper2:out", "ring0:in2"),
("taper3:out", "ring0:out1"),
("taper4:out", "ring1:in"),
("taper5:out", "ring1:out"),
("taper6:out", "ring2:out2"),
("taper7:out", "ring2:in1"),
("taper8:out", "ring2:in2"),
("taper9:out", "ring2:out1"),
("taper10:out", "ring3:in"),
("taper11:out", "ring3:out"),
("taper12:out", "ring4:out2"),
("taper13:out", "ring4:in1"),
("taper14:out", "ring4:in2"),
("taper15:out", "ring4:out1"),
("taper16:out", "ring5:in"),
("taper17:out", "ring5:out"),
("taper18:out", "ring6:out2"),
("taper19:out", "ring6:in1"),
("taper20:out", "ring6:in2"),
("taper21:out", "ring6:out1"),
("taper22:out", "ring7:in"),
("taper23:out", "ring7:out"),
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 4500
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
trans['ring0'] = (1500, -3000)
trans['ring4'] = (1500, -3000 + 2 * column)
trans['ring1'] = (1500, -300)
trans['ring5'] = (1500, -300 + 2 * column)
trans['ring2'] = (1500, -3000 + column)
trans['ring6'] = (1500, -3000 + 3 * column)
trans['ring3'] = (1500, -300 + column)
trans['ring7'] = (1500, -300 + 3 * column)
trans["taper0"] = (0, -2100)
trans["taper1"] = (0, -3850)
trans["taper2"] = i3.HMirror(0) + i3.Translation((3000, -1500))
trans["taper3"] = i3.Translation((0, -4000))
trans["taper4"] = (0, -1950)
trans["taper5"] = i3.HMirror(0) + i3.Translation((3000, -1350))
trans["taper6"] = (0, -2100 + column)
trans["taper7"] = (0, -3850 + column)
trans["taper8"] = i3.HMirror(0) + i3.Translation(
(3000, -1500 + column))
trans["taper9"] = i3.Translation((0, -4000 + column))
trans["taper10"] = (0, -1950 + column)
trans["taper11"] = i3.HMirror(0) + i3.Translation(
(3000, -1350 + column))
trans["taper12"] = (0, -2100 + 2 * column)
trans["taper13"] = (0, -3850 + 2 * column)
trans["taper14"] = i3.HMirror(0) + i3.Translation(
(3000, -1500 + 2 * column))
trans["taper15"] = i3.Translation((0, -4000 + 2 * column))
trans["taper16"] = (0, -1950 + 2 * column)
trans["taper17"] = i3.HMirror(0) + i3.Translation(
(3000, -1350 + 2 * column))
trans["taper18"] = (0, -2100 + 3 * column)
trans["taper19"] = (0, -3850 + 3 * column)
trans["taper20"] = i3.HMirror(0) + i3.Translation(
(3000, -1500 + 3 * column))
trans["taper21"] = i3.Translation((0, -4000 + 3 * column))
trans["taper22"] = (0, -1950 + 3 * column)
trans["taper23"] = i3.HMirror(0) + i3.Translation(
(3000, -1350 + 3 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
for counter, child in enumerate(self.DC_list):
if (counter % 2 == 0):
name = child.name
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}".format(name[0:10]),
# coordinate=(4650.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=200.0,
transformation=i3.Rotation(
(0.0, 0.0), -90.0) + i3.Translation(
(3000 - 450, -2000 + 4500 * counter / 2)))
else:
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="R=200_L=80",
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=80.0,
transformation=i3.Rotation(
(0.0, 0.0), -90.0) + i3.Translation(
(3000 - 450, -2700 + 4500 * counter / 2)))
# elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
# center=(0, 0),
# box_size=(500, 300))
return elems
class MMI2112(PlaceAndAutoRoute):
wg_sm = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
mmi1_12 = i3.ChildCellProperty()
mmi1_21 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
# def _default_external_port_names(self):
# ports = dict()
# ports["MMI1b:in1"] = "vertical_in"
# ports["MMI1b:in2"] = "out"
# return ports
def _default_links(self):
links = [("taper:out", "taper2:out")]
return links
def _default_child_cells(self):
child_cells = {
"MMI1a": self.mmi1_12,
"MMI1b": self.mmi1_21,
"taper": self.WG2,
"taper2": self.WG2
}
return child_cells
def _default_trace_template(self):
wg_sm2 = WireWaveguideTemplate()
wg_sm2.Layout(core_width=3.1, cladding_width=3.1 + 16.0)
return wg_sm2
def _default_mmi1_12(self):
mmi12 = MMI1x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["out1", "out2"],
)
return mmi12
def _default_mmi1_21(self):
mmi21 = MMI2x1Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["in1", "in2"],
)
return mmi21
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(
start_trace_template=self.mmi_access_template,
end_trace_template=self.trace_template)
return WG2
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate()
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate()
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 16.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate()
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 16.0)
return mmi_access_template
class Layout(PlaceAndAutoRoute.Layout):
length = i3.PositiveNumberProperty(doc="MMI length", default=97)
# def _default_WG1(self):
# layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
# layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
# return layout_WG1
#
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(0.0, 0.0),
end_position=(200.0, 0.0))
return layout_WG2
def _default_mmi1_12(self):
layout_mmi1_12 = self.cell.mmi1_12.get_default_view(i3.LayoutView)
layout_mmi1_12.set(transition_length=200.0,
length=self.length,
trace_spacing=11.0)
return layout_mmi1_12
def _default_mmi1_21(self):
layout_mmi1_21 = self.cell.mmi1_21.get_default_view(i3.LayoutView)
layout_mmi1_21.set(name="MMI2112_l_{}".format(str(self.length)),
transition_length=200.0,
length=self.length,
trace_spacing=11.0)
# print layout_mmi1_21.ports['in1'].x
return layout_mmi1_21
def _default_child_transformations(self):
# print self.cell.mmi1_12.get_default_view(i3.LayoutView).length
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['in1'].x
# print self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x
# a = self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x - self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['in1'].x
a = self.cell.mmi1_21.get_default_view(
i3.LayoutView).ports['out'].x
child_transformations = {
"MMI1a": (a + 490, 0),
"taper": (a, 0),
"taper2": i3.HMirror(0.0) + i3.Translation((a + 490, 0))
# "WGup": (0, 4000),
# "WGuptaper": (0, 4000),
# "WGdown": (0, -4000),
# "WGdowntaper": (0, -4000),
# "WGuptaper2": i3.HMirror() + i3.Translation((3400, 4000)),
# "WGdowntaper2": i3.HMirror() + i3.Translation((3400, -4000)),
# "WGup2": (3250, 4000),
# "WGdown2": (3250, -4000)
}
return child_transformations
def _generate_elements(self, elems):
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Name={}_port_20'.format(
self.cell.mmi1_21.get_default_view(i3.LayoutView).name),
coordinate=(200.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
return elems
class StraightWgLossEbeam(PlaceAndAutoRoute):
taper = i3.ChildCellProperty()
wg = i3.ChildCellProperty()
wg_right = i3.ChildCellProperty()
expanded_wg = i3.ChildCellProperty()
trace_template = i3.WaveguideTemplateProperty()
expanded_wg_template = i3.WaveguideTemplateProperty()
gc_taper = i3.ChildCellProperty()
gc_slab = i3.ChildCellProperty()
gc_slab_template = i3.WaveguideTemplateProperty()
wg_SM_template = i3.WaveguideTemplateProperty()
wg_SM = i3.ChildCellProperty()
taper_expanded_wg2wg_SM = i3.ChildCellProperty()
wg_width = i3.PositiveNumberProperty(default=2.0)
trench_width = i3.PositiveNumberProperty(default=3.0)
_wg_width_indesign = i3.PositiveNumberProperty()
expanded_wg_width = i3.PositiveNumberProperty(default=3.0)
_expanded_wg_width_indesign = i3.PositiveNumberProperty()
gc_slab_width = i3.PositiveNumberProperty(default=10.0)
wg_SM_width = i3.PositiveNumberProperty(default=0.5)
def _default__wg_width_indesign(self):
return self.wg_width
def _default__expanded_wg_width_indesign(self):
return self.expanded_wg_width
def _default_trace_template(self):
wstart1 = PathTraceWindow(layer=i3.TECH.PPLAYER.WG.CORE,
start_offset=-self.wg_width * 0.5,
end_offset=self.wg_width * 0.5)
wstart2 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=-(self.wg_width + self.trench_width) * 0.5,
end_offset=-(self.wg_width + self.trench_width) * 0.5,
line_width=0)
wstart3 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=(self.wg_width + self.trench_width) * 0.5,
end_offset=(self.wg_width + self.trench_width) * 0.5,
line_width=0)
wg_t = i3.WindowWaveguideTemplate()
wg_t.Layout(windows=[wstart1, wstart2, wstart3])
return wg_t
def _default_expanded_wg_template(self):
wstart1 = PathTraceWindow(layer=i3.TECH.PPLAYER.WG.CORE,
start_offset=-self.expanded_wg_width * 0.5,
end_offset=self.expanded_wg_width * 0.5)
wstart2 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=-(self.expanded_wg_width + self.trench_width) * 0.5,
end_offset=-(self.expanded_wg_width + self.trench_width) * 0.5,
line_width=0)
wstart3 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=(self.expanded_wg_width + self.trench_width) * 0.5,
end_offset=(self.expanded_wg_width + self.trench_width) * 0.5,
line_width=0)
expanded_wg_template = i3.WindowWaveguideTemplate()
expanded_wg_template.Layout(windows=[wstart1, wstart2, wstart3])
return expanded_wg_template
def _default_wg(self):
wg = i3.RoundedWaveguide(trace_template=self.trace_template)
return wg
def _default_wg_right(self):
wg_right = i3.RoundedWaveguide(trace_template=self.trace_template)
return wg_right
def _default_expanded_wg(self):
expanded_wg = i3.RoundedWaveguide(
trace_template=self.expanded_wg_template)
return expanded_wg
def _default_taper(self):
taper = i3.LinearWindowWaveguideTransition(
start_trace_template=self.trace_template,
end_trace_template=self.expanded_wg_template)
return taper
def _default_gc_slab_template(self):
wstart1 = PathTraceWindow(layer=i3.TECH.PPLAYER.WG.CORE,
start_offset=-self.gc_slab_width * 0.5,
end_offset=self.gc_slab_width * 0.5)
wstart2 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=-(self.gc_slab_width + self.trench_width) * 0.5,
end_offset=-(self.gc_slab_width + self.trench_width) * 0.5,
line_width=0)
wstart3 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=(self.gc_slab_width + self.trench_width) * 0.5,
end_offset=(self.gc_slab_width + self.trench_width) * 0.5,
line_width=0)
wg_t = i3.WindowWaveguideTemplate()
wg_t.Layout(windows=[wstart1, wstart2, wstart3])
return wg_t
def _default_gc_taper(self):
taper = i3.LinearWindowWaveguideTransition(
start_trace_template=self.wg_SM_template,
end_trace_template=self.gc_slab_template)
return taper
def _default_gc_slab(self):
slab = i3.RoundedWaveguide(trace_template=self.gc_slab_template)
return slab
def _default_wg_SM_template(self):
wstart1 = PathTraceWindow(layer=i3.TECH.PPLAYER.WG.CORE,
start_offset=-self.wg_SM_width * 0.5,
end_offset=self.wg_SM_width * 0.5)
wstart2 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=-(self.wg_SM_width + self.trench_width) * 0.5,
end_offset=-(self.wg_SM_width + self.trench_width) * 0.5,
line_width=0)
wstart3 = PathTraceWindow(
layer=i3.TECH.PPLAYER.WG.CLADDING,
start_offset=(self.wg_SM_width + self.trench_width) * 0.5,
end_offset=(self.wg_SM_width + self.trench_width) * 0.5,
line_width=0)
wg_t = i3.WindowWaveguideTemplate()
wg_t.Layout(windows=[wstart1, wstart2, wstart3])
return wg_t
def _default_wg_SM(self):
wg = i3.RoundedWaveguide(trace_template=self.wg_SM_template)
return wg
def _default_taper_expanded_wg2wg_SM(self):
taper = i3.LinearWindowWaveguideTransition(
start_trace_template=self.expanded_wg_template,
end_trace_template=self.wg_SM_template)
return taper
def _default_child_cells(self):
child_cells = dict()
child_cells["taper_left"] = self.taper
child_cells["taper_right"] = self.taper
child_cells["wg_left"] = self.wg
child_cells["wg_right"] = self.wg_right
child_cells["expanded_wg_left"] = self.expanded_wg
child_cells["expanded_wg_right"] = self.expanded_wg
child_cells[
"taper_expanded_wg2wg_SM_left"] = self.taper_expanded_wg2wg_SM
child_cells["wg_SM_left"] = self.wg_SM
child_cells["wg_SM_right"] = self.wg_SM
child_cells[
"taper_expanded_wg2wg_SM_right"] = self.taper_expanded_wg2wg_SM
child_cells["gc_taper_left"] = self.gc_taper
child_cells["gc_taper_right"] = self.gc_taper
child_cells["gc_slab_left"] = self.gc_slab
child_cells["gc_slab_right"] = self.gc_slab
return child_cells
def _default_external_port_names(self):
ports = dict()
ports["expanded_wg_right:out"] = "in"
ports["expanded_wg_left:out"] = "out"
return ports
class Layout(PlaceAndAutoRoute.Layout):
spiral_width = i3.PositiveNumberProperty(
doc="total width of spiral structure", default=6000.0)
right_wg_length = i3.PositiveNumberProperty(
doc="length of narrow wg on the right side of spiral",
default=500.0)
expanded_wg_length = i3.PositiveNumberProperty(default=1000.0)
taper_length = i3.PositiveNumberProperty(default=100.0)
bend_radius = i3.PositiveNumberProperty(default=100.0)
gc_taper_length = i3.PositiveNumberProperty(default=300.0)
gc_slab_length = i3.PositiveNumberProperty(default=50.0)
wg_SM_length = i3.PositiveNumberProperty(default=50.0)
def _default_wg(self):
wg_lo = self.cell.wg.get_default_view(i3.LayoutView)
wg_lo.set(shape=[(0.0, 0.0), (self.spiral_width, 0)])
return wg_lo
def _default_wg_right(self):
wg_right_lo = self.cell.wg_right.get_default_view(i3.LayoutView)
wg_right_lo.set(shape=[(0.0, 0.0), (self.right_wg_length, 0)])
return wg_right_lo
def _default_taper(self):
taper_lo = self.cell.taper.get_default_view(i3.LayoutView)
taper_lo.set(start_position=(0.0, 0.0),
end_position=(self.taper_length, 0.0))
return taper_lo
def _default_expanded_wg(self):
expanded_wg_lo = self.cell.expanded_wg.get_default_view(
i3.LayoutView)
expanded_wg_lo.set(shape=[(0.0, 0.0), (self.expanded_wg_length,
0.0)])
return expanded_wg_lo
def _default_gc_taper(self):
gc_taper_lo = self.cell.gc_taper.get_default_view(i3.LayoutView)
gc_taper_lo.set(start_position=(0.0, 0.0),
end_position=(self.gc_taper_length, 0.0))
return gc_taper_lo
def _default_gc_slab(self):
slab_lo = self.cell.gc_slab.get_default_view(i3.LayoutView)
slab_lo.set(shape=[(0.0, 0.0), (self.gc_slab_length, 0.0)])
return slab_lo
def _default_wg_SM(self):
wg_lo = self.cell.wg_SM.get_default_view(i3.LayoutView)
wg_lo.set(shape=[(0.0, 0.0), (self.wg_SM_length, 0)])
return wg_lo
def _default_taper_expanded_wg2wg_SM(self):
taper_lo = self.cell.taper_expanded_wg2wg_SM.get_default_view(
i3.LayoutView)
taper_lo.set(start_position=(0.0, 0.0),
end_position=(self.taper_length, 0.0))
return taper_lo
def _default_child_transformations(self):
trans = dict()
trans["wg_right"] = (0.0, 0.0)
trans["taper_right"] = i3.Translation((self.right_wg_length, 0))
start_x_expanded_wg_right = self.right_wg_length + self.taper_length
trans["expanded_wg_right"] = i3.Translation(
(start_x_expanded_wg_right, 0))
start_x_taper_wg_SM2expanded_wg_right = start_x_expanded_wg_right + self.expanded_wg_length
trans["taper_expanded_wg2wg_SM_right"] = i3.Translation(
(start_x_taper_wg_SM2expanded_wg_right, 0.0))
start_x_wg_SM_right = start_x_taper_wg_SM2expanded_wg_right + self.taper_length
trans["wg_SM_right"] = i3.Translation((start_x_wg_SM_right, 0.0))
start_x_gc_taper_right = start_x_wg_SM_right + self.wg_SM_length
trans["gc_taper_right"] = i3.Translation(
(start_x_gc_taper_right, 0))
start_x_gc_slab_right = start_x_gc_taper_right + self.gc_taper_length
trans["gc_slab_right"] = i3.Translation((start_x_gc_slab_right, 0))
trans["wg_left"] = i3.HMirror(mirror_plane_x=0.0)
trans["taper_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation((-self.spiral_width, 0))
start_x_expanded_wg_left = -self.spiral_width - self.taper_length
trans["expanded_wg_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation(
(start_x_expanded_wg_left, 0))
start_x_taper_expanded_wg2wg_SM_left = start_x_expanded_wg_left - self.expanded_wg_length
trans["taper_expanded_wg2wg_SM_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation(
(start_x_taper_expanded_wg2wg_SM_left, 0))
start_x_wg_SM_left = start_x_taper_expanded_wg2wg_SM_left - self.taper_length
trans["wg_SM_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation((start_x_wg_SM_left, 0))
start_x_gc_taper_left = start_x_wg_SM_left - self.wg_SM_length
trans["gc_taper_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation(
(start_x_gc_taper_left, 0))
start_x_gc_slab_left = start_x_gc_taper_left - self.gc_taper_length
trans["gc_slab_left"] = i3.HMirror(
mirror_plane_x=0.0) + i3.Translation((start_x_gc_slab_left, 0))
return trans
def get_true_length(self):
return self.spiral_width + self.right_wg_length
class SingleResonator(i3.PCell):
""" A single resonator test class
"""
_name_prefix = "single_resonator"
# defining the resonator as child cell with input and output waveguides
resonator = i3.ChildCellProperty(restriction=i3.RestrictType(i3.PCell),
doc="the input resonator")
# define waveguide template and waveguide cells
wg_coupler_template = i3.WaveguideTemplateProperty(
default=i3.TECH.PCELLS.WG.DEFAULT)
wg_ring_template = i3.WaveguideTemplateProperty(
default=i3.TECH.PCELLS.WG.DEFAULT)
wgs = i3.ChildCellListProperty(doc="list of waveguides")
# define default MMI for class
def _default_resonator(self):
"""
Internal resonator which is repeated later
"""
resonator = RingRect(name=self.name + "_resonator",
ring_trace_template=self.wg_ring_template)
return resonator
# define rounded waveguides for the inputs and outputs of CROW
def _default_wgs(self):
wg_in = i3.RoundedWaveguide(name=self.name + "_wg_in",
trace_template=self.wg_coupler_template)
wg_pass = i3.RoundedWaveguide(name=self.name + "_wg_pass",
trace_template=self.wg_coupler_template)
# wg_ring = i3.RoundedWaveguide(name=self.name+"_wg_ring", trace_template=self.wg_coupler_template)
return wg_in, wg_pass # , wg_pass, wg_ring
class Layout(i3.LayoutView):
# specified parameters used for layout, lengths of various waveguides
# using some default values if standard ring shape is used
bend_radius_ring = i3.PositiveNumberProperty(default=10.,
doc="bend radius of ring")
ring_x_straight = i3.PositiveNumberProperty(
default=15., doc="straight between bends in x ring")
ring_y_straight = i3.PositiveNumberProperty(
default=25., doc="straight between bends in y ring")
external_straights = i3.PositiveNumberProperty(
default=10., doc="extra straight for outside structure")
external_gap = i3.PositiveNumberProperty(
default=0.5, doc="gap between outside waveguides and resonator")
# external_radius = i3.PositiveNumberProperty(default=bend_radius_ring, doc="radius of outside coupler")
use_rounding = i3.BoolProperty(default=False,
doc="use non default bending algorithm")
rounding_algorithm = i3.DefinitionProperty(
default=SplineRoundingAlgorithm(),
doc="secondary rounding algorithm")
# define the layout of the internal coupler which we SRef below
def _default_resonator(self):
res_layout = self.cell.resonator.get_default_view(
i3.LayoutView) # Retrieve layout view following example
# make the shape of the layout from the previous values. Assume (0, 0) is bottom middle!)
# will do each corner for clarity
# bottom_left = (-self.bend_radius_ring - self.ring_x_straight/2., 0.)
# top_left = (-self.bend_radius_ring - self.ring_x_straight/2.,
# self.bend_radius_ring*2. + self.ring_y_straight)
# top_right = (self.bend_radius_ring + self.ring_x_straight/2.,
# self.bend_radius_ring*2. + self.ring_y_straight)
# bottom_right = (self.bend_radius_ring + self.ring_x_straight/2., 0.)
# ring_shape = [bottom_left, top_left, top_right, bottom_right, bottom_left]
# print ring_shape
# tried to use generic round ring, but failed :P. Using ring rect instead
# set the layout of the resonator. Stuck a bool for non default rounding algorithm
if self.use_rounding is True:
res_layout.set(bend_radius=self.bend_radius_ring,
straights=(self.ring_x_straight,
self.ring_y_straight),
rounding_algorithm=self.rounding_algorithm)
else:
res_layout.set(
bend_radius=self.bend_radius_ring,
straights=(self.ring_x_straight,
self.ring_y_straight)) # , shape=ring_shape
return res_layout
# now we take the resonator which was just defined and stick it in the main *get components thing
def _get_components(self):
resonator = i3.SRef(name="another_res", reference=self.resonator)
return resonator
# setting the output shape of the access waveguides using a shape defined by ports from MMI (hopefully..)
def _default_wgs(self):
# bring in parts from rest of PCell Layout, used to grab positions
resonator = self._get_components()
wg_in_cell, wg_pass_cell = self.cell.wgs
wg_template = self.wg_coupler_template
wg_ring_template = self.wg_ring_template
# using the ring radius for the external radius
external_rad = self.bend_radius_ring
external_str = self.external_straights
# grabbing the position of the resonator to layout the rest of the coupler properly
resonator_west_side = resonator.size_info().west
resonator_south_side = resonator.size_info().south
resonator_core_width = wg_ring_template.core_width
resonator_clad_width = wg_ring_template.cladding_width
coupler_core_width = wg_template.core_width
# calculate the x position for center of input coupling waveguide when coupling, and make shape
x_coup_spot = resonator_west_side + resonator_clad_width/2. - resonator_core_width/2. - self.external_gap \
- coupler_core_width/2.
# get bottom using the south and cladding information again
bottom_left = (x_coup_spot - external_str - external_rad,
resonator_south_side + resonator_clad_width / 2.)
bottom_right = (x_coup_spot,
resonator_south_side + resonator_clad_width / 2.)
top_right = (x_coup_spot, bottom_right[1] + 2. * external_rad +
self.ring_y_straight)
top_left = (bottom_left[0], top_right[1])
wg_shape = [bottom_left, bottom_right, top_right, top_left]
# now make the instance using this shape info
wg_in_layout = wg_in_cell.get_default_view(i3.LayoutView)
if self.use_rounding is True:
wg_in_layout.set(trace_template=wg_template,
shape=wg_shape,
bend_radius=external_rad,
rounding_algorithm=self.rounding_algorithm)
else:
wg_in_layout.set(trace_template=wg_template,
shape=wg_shape,
bend_radius=external_rad)
wg_pass_layout = wg_pass_cell.get_default_view(i3.LayoutView)
# wg_in_layout.set()
return wg_in_layout, wg_pass_layout # wg_ring_layout
# A few functions for grabbing waveguide parameters to determine lengths for FSR checking
# def wg_lengths(self):
# # grab the lengths of internal waveguides to use for calculations later
# wg_in_layout, wg_pass_layout, wg_ring_layout = self.wgs
#
# straights_and_bends = wg_ring_layout.trace_length()
# return straights_and_bends
def _generate_instances(self, insts):
# includes the get components and the new waveguides
insts += self._get_components()
wg_in_layout, wg_pass_layout = self.wgs # wg_pass_layout, wg_ring_layout
insts += i3.SRef(reference=wg_in_layout, name="wg_in")
# insts += i3.SRef(reference=wg_pass_layout, name="wg_pass")
# insts += i3.SRef(reference=wg_ring_layout, name="wg_ring")
return insts
def _generate_ports(self, prts):
# try to reuse the output waveguides following the example and change the names, looks good
instances = self.instances
prts += instances["wg_in"].ports["in"].modified_copy(name="in")
prts += instances["wg_in"].ports["out"].modified_copy(name="pass")
return prts
class Netlist(i3.NetlistView):
def _generate_terms(self, terms):
terms += i3.OpticalTerm(name="in")
# terms += i3.OpticalTerm(name="pass")
return terms
class my_dc(PlaceAndAutoRoute):
# dc = i3.ChildCellProperty()
# dc2 = i3.ChildCellProperty()
DC_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="gap")
# length = i3.PositiveNumberProperty(default=60.0, doc="Length of coupler")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty()
# wg_dc2 = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
sm_width = i3.PositiveNumberProperty(doc="width of waveguide", default=3.8)
# start_id = i3.PositiveNumberProperty(doc="name_id", default=1)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 16,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template" + str(self.sm_width))
wg_sm.Layout(core_width=self.sm_width,
cladding_width=self.sm_width + 16.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}".format(str(self.sm_width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
# print 'length number ' + str(l)
# print 'dl ' + str(dl)
cell = DoubleSpiralRounded(
name='spiral' + str(dl) + str(self.sm_width),
trace_template=self.trace_template,
n_o_loops=8,
)
layout = cell.Layout(
angle_step=30,
inner_size=[700, 1400],
bend_radius=self.gap_inc_vec[l],
manhattan=False,
spacing=2 * 8 + self.sm_width + 5,
)
print layout.trace_length()
MMI22_list.append(cell)
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 4, 1):
# print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
# child_cells["dircoup1"] = self.dc
# child_cells["dircoup2"] = self.dc2
# child_cells["straight"] = self.WG2
for counter, child in enumerate(self.DC_list):
# print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
# print 'child name ' + str(child.name)
# print child
return child_cells
def _default_links(self):
links = [
("taper0:out", "ring0:in"),
("taper1:out", "ring0:out"),
("taper2:out", "ring1:in"),
("taper3:out", "ring1:out"),
# ("taper4:out", "ring1:out2"),
# ("taper5:out", "ring1:in1"),
# ("taper6:out", "ring1:in2"),
# ("taper7:out", "ring1:out1"),
#
# ("taper8:out", "ring2:out2"),
# ("taper9:out", "ring2:in1"),
# ("taper10:out", "ring2:in2"),
# ("taper11:out", "ring2:out1"),
# ("taper12:out", "ring3:out2"),
# ("taper13:out", "ring3:in1"),
# ("taper14:out", "ring3:in2"),
# ("taper15:out", "ring3:out1"),
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 3000
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
trans['ring0'] = (1300, -2000)
# trans['ring1'] = i3.VMirror(0) + i3.Translation((1300, 2000))
trans['ring1'] = (1300 + column, -2000)
# trans['ring2'] = (1500, 0 + 2 * column)
# trans['ring3'] = (1500, 0 + 3 * column)
trans["taper0"] = (0, -4000)
trans["taper1"] = i3.HMirror(0) + i3.Translation((3000, -3500))
trans["taper2"] = (0 + column, -3500)
trans["taper3"] = i3.HMirror(0) + i3.Translation(
(3000 + column, -4000))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.dc.name, self.cell.wg_t1.name),
# coordinate=(1350.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.dc2.name, self.cell.wg_t1.name),
# coordinate=(4650.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_R={}_delay={}'.format(name, self.R, self.delay_length),
#
# coordinate=(0.0, -counter * 5 * self.R - 2 * self.R + 50.0 # -100
# ),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
return elems
class CROW_1D(i3.PCell):
""" A single resonator test class
"""
_name_prefix = "CROW_1D"
# defining the resonator as child cell with input and output waveguides
resonator = i3.ChildCellProperty(restriction=i3.RestrictType(i3.PCell),
doc="the input resonator")
# define waveguide template and waveguide cells
wg_coupler_template = i3.WaveguideTemplateProperty(
default=i3.TECH.PCELLS.WG.DEFAULT)
wg_ring_template = i3.WaveguideTemplateProperty(
default=i3.TECH.PCELLS.WG.DEFAULT)
wgs = i3.ChildCellListProperty(doc="list of waveguides")
# define default MMI for class
def _default_resonator(self):
"""
Internal resonator which is repeated later
"""
resonator = RingRect(name=self.name + "_resonator",
ring_trace_template=self.wg_ring_template)
return resonator
# define rounded waveguides for the inputs and outputs of CROW
def _default_wgs(self):
wg_in = i3.RoundedWaveguide(name=self.name + "_wg_in",
trace_template=self.wg_coupler_template)
wg_pass = i3.RoundedWaveguide(name=self.name + "_wg_pass",
trace_template=self.wg_coupler_template)
# wg_ring = i3.RoundedWaveguide(name=self.name+"_wg_ring", trace_template=self.wg_coupler_template)
return wg_in, wg_pass # , wg_pass, wg_ring
class Layout(i3.LayoutView):
# specified parameters used for layout, lengths of various waveguides
# using some default values if standard ring shape is used
bend_radius_ring = i3.PositiveNumberProperty(default=10.,
doc="bend radius of ring")
ring_x_straight = i3.PositiveNumberProperty(
default=15., doc="straight between bends in x ring")
ring_y_straight = i3.PositiveNumberProperty(
default=25., doc="straight between bends in y ring")
external_straights = i3.PositiveNumberProperty(
default=10., doc="extra straight for outside structure")
external_gap = i3.PositiveNumberProperty(
default=1., doc="gap between outside waveguides and resonator")
# external_radius = i3.PositiveNumberProperty(default=bend_radius_ring, doc="radius of outside coupler")
rounding_algorithm = i3.DefinitionProperty(
default=SplineRoundingAlgorithm(),
doc="secondary rounding algorithm")
# extra layouting for the CROW
num_rings = i3.IntProperty(default=3, doc="number of rings")
ring_gap = i3.PositiveNumberProperty(default=0.5,
doc="gap between internal rings")
use_gap_list = i3.BoolProperty(default=False,
doc="use non default bending algorithm")
ring_gap_list = i3.ListProperty(
default=[], doc="list of gaps for manual swapping, default empty!")
# define the layout of the internal coupler which we SRef below
def _default_resonator(self):
res_layout = self.cell.resonator.get_default_view(
i3.LayoutView) # Retrieve layout view following example
# make the shape of the layout from the previous values. Assume (0, 0) is bottom middle!)
# will do each corner for clarity
# bottom_left = (-self.bend_radius_ring - self.ring_x_straight/2., 0.)
# top_left = (-self.bend_radius_ring - self.ring_x_straight/2.,
# self.bend_radius_ring*2. + self.ring_y_straight)
# top_right = (self.bend_radius_ring + self.ring_x_straight/2.,
# self.bend_radius_ring*2. + self.ring_y_straight)
# bottom_right = (self.bend_radius_ring + self.ring_x_straight/2., 0.)
# ring_shape = [bottom_left, top_left, top_right, bottom_right, bottom_left]
# print ring_shape
# tried to use generic round ring, but failed :P. Using ring rect instead
# set the layout of the resonator. Stuck a bool for non default rounding algorithm
res_layout.set(bend_radius=self.bend_radius_ring,
straights=(self.ring_x_straight,
self.ring_y_straight),
rounding_algorithm=self.rounding_algorithm)
return res_layout
def _dummy_resonator(self):
dummy_res = i3.SRef(name="just_a_dummy", reference=self.resonator)
return dummy_res
# make a function for determining the distance between core size and
def _resonator_size_core_to_core(self):
# calls the get components function and then does math on the pulled in layout
resonator = self._dummy_resonator()
wg_ring_template = self.wg_ring_template
# grabbing the position of the resonator to layout the rest of the coupler properly
resonator_west_side = resonator.size_info().west
resonator_east_side = resonator.size_info().east
resonator_core_width = wg_ring_template.core_width
resonator_clad_width = wg_ring_template.cladding_width
resonator_x_dim = (resonator_east_side -
resonator_west_side) - resonator_clad_width
return resonator_x_dim
# setting the output shape of the access waveguides using a shape defined by ports from MMI (hopefully..)
def _default_wgs(self):
# bring in parts from rest of PCell Layout, used dummy resonator to grab positions
resonator = self._dummy_resonator()
wg_in_cell, wg_pass_cell = self.cell.wgs
wg_template = self.wg_coupler_template
wg_ring_template = self.wg_ring_template
# using the ring radius for the external radius
external_rad = self.bend_radius_ring
external_str = self.external_straights
# grabbing the position of the resonator to layout the rest of the coupler properly
resonator_west_side = resonator.size_info().west
resonator_south_side = resonator.size_info().south
resonator_core_width = wg_ring_template.core_width
resonator_clad_width = wg_ring_template.cladding_width
coupler_core_width = wg_template.core_width
# calculate the x position for center of input coupling waveguide when coupling, and make shape
x_coup_spot = resonator_west_side + resonator_clad_width/2. - resonator_core_width/2. - self.external_gap \
- coupler_core_width/2.
# get bottom using the south and cladding information again
bottom_left = (x_coup_spot - external_str - external_rad,
resonator_south_side + resonator_clad_width / 2.)
bottom_right = (x_coup_spot,
resonator_south_side + resonator_clad_width / 2.)
top_right = (x_coup_spot, bottom_right[1] + 2. * external_rad +
self.ring_y_straight)
top_left = (bottom_left[0], top_right[1])
wg_shape = [bottom_left, bottom_right, top_right, top_left]
# now make the instance using this shape info
wg_in_layout = wg_in_cell.get_default_view(i3.LayoutView)
wg_in_layout.set(trace_template=wg_template,
shape=wg_shape,
bend_radius=external_rad,
rounding_algorithm=self.rounding_algorithm)
# other waveguide for reference, can put in shape or mirror later
wg_pass_layout = wg_pass_cell.get_default_view(i3.LayoutView)
# wg_in_layout.set()
return wg_in_layout, wg_pass_layout # wg_ring_layout
# A few functions for grabbing waveguide parameters to determine lengths for FSR checking
# def wg_lengths(self):
# # grab the lengths of internal waveguides to use for calculations later
# wg_in_layout, wg_pass_layout, wg_ring_layout = self.wgs
#
# straights_and_bends = wg_ring_layout.trace_length()
# return straights_and_bends
# now we take the resonator and perform multiple translations for the CROW
def _get_components(self):
res_x_dim = self._resonator_size_core_to_core()
ring_gap = self.ring_gap
ring_core_width = self.wg_ring_template.core_width
ring_gap_list = self.ring_gap_list
shifting_list = [0.] + ring_gap_list
all_components = []
# and now crank an SRef for each Ring in a loop
for ring in range(self.num_rings):
# will translate the original ring over to the correct position, and iterate for number of rings
# use an if statement for external gap list or not. Need an error
if self.use_gap_list is False:
this_transform = i3.Translation(
((res_x_dim + ring_gap + ring_core_width) * ring, 0.))
this_resonator = i3.SRef(name="R_" + str(ring),
reference=self.resonator,
transformation=this_transform)
all_components.append(this_resonator)
else:
# sum previous elements of the shifting list for correct relative translation
total_shift = sum(shifting_list[:(ring + 1)])
this_transform = i3.Translation(
((res_x_dim + ring_core_width) * ring + total_shift,
0.))
this_resonator = i3.SRef(name="R_" + str(ring),
reference=self.resonator,
transformation=this_transform)
all_components.append(this_resonator)
return all_components
def _generate_instances(self, insts):
# includes the get components and the waveguides
the_rings = self._get_components()
insts += the_rings
wg_in_layout, wg_pass_layout = self.wgs # wg_pass_layout, wg_ring_layout
insts += i3.SRef(reference=wg_in_layout, name="wg_in")
# ok so now I grab the last ring from the rings and use it to determine its position
last_ring = the_rings[-1]
east_side_ring = last_ring.size_info().east
# and I get the waveguide properties for ring and coupler, to give correct outside gap
ring_core_width = self.wg_ring_template.core_width
ring_clad_width = self.wg_ring_template.cladding_width
bus_wg_core_width = self.wg_coupler_template.core_width
bus_wg_clad_width = self.wg_coupler_template.cladding_width
final_x_spot = (east_side_ring - ring_clad_width/2.) + ring_core_width/2. \
+ self.external_gap + bus_wg_core_width/2.
# rather than making a new waveguide we can mirror the previous structure into the final position
# thus we need to determine the difference in the core position of the original structure
# with the *negative* position of the final x position, and then the mirror will flip it around
bus_core_pos = wg_in_layout.size_info(
).east - bus_wg_clad_width / 2.
# now we translate the original structure to the desired negative position, and horizontally mirror around 0
output_transformation = i3.HMirror() + i3.Translation(
(-1. * (-final_x_spot - bus_core_pos), 0.))
# finally we perform the SRef on the previous layout and transform it with a new name
insts += i3.SRef(reference=wg_in_layout,
name="wg_out",
transformation=output_transformation)
return insts
def _generate_ports(self, prts):
# try to reuse the output waveguides following the example and change the names, looks good
instances = self.instances
prts += instances["wg_in"].ports["in"].modified_copy(name="in1")
prts += instances["wg_in"].ports["out"].modified_copy(name="in2")
prts += instances["wg_out"].ports["in"].modified_copy(name="out1")
prts += instances["wg_out"].ports["out"].modified_copy(name="out2")
return prts
class Netlist(i3.NetlistView):
def _generate_terms(self, terms):
terms += i3.OpticalTerm(name="in")
# terms += i3.OpticalTerm(name="pass")
return terms
class my_dc(PlaceAndAutoRoute):
# dc = i3.ChildCellProperty()
# dc2 = i3.ChildCellProperty()
DC_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="gap")
length = i3.PositiveNumberProperty(default=60.0, doc="Length of coupler")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty()
# wg_dc2 = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
# start_id = i3.PositiveNumberProperty(doc="name_id", default=1)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 16,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}".format(str(self.width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2112(name='DC_gap_2_l_' + str(dl) + str(self.length),
start_id=dl + self.length)
cell.Layout(gap=self.gap_inc_vec[l], length=self.length)
MMI22_list.append(cell)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 24, 1):
print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
# child_cells["dircoup1"] = self.dc
# child_cells["dircoup2"] = self.dc2
# child_cells["straight"] = self.WG2
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
return child_cells
def _default_links(self):
links = [("taper0:out", "ring0:MMI1b_out2"),
("taper1:out", "ring0:MMI1a_in1"),
("taper2:out", "ring0:MMI1b_in2"),
("taper3:out", "ring0:MMI1a_out1"),
("taper4:out", "ring0:MMI1b_out1"),
("taper5:out", "ring0:MMI1a_in2"),
("taper6:out", "ring1:MMI1b_out2"),
("taper7:out", "ring1:MMI1a_in1"),
("taper8:out", "ring1:MMI1b_in2"),
("taper9:out", "ring1:MMI1a_out1"),
("taper10:out", "ring1:MMI1b_out1"),
("taper11:out", "ring1:MMI1a_in2"),
("taper12:out", "ring2:MMI1b_out2"),
("taper13:out", "ring2:MMI1a_in1"),
("taper14:out", "ring2:MMI1b_in2"),
("taper15:out", "ring2:MMI1a_out1"),
("taper16:out", "ring2:MMI1b_out1"),
("taper17:out", "ring2:MMI1a_in2"),
("taper18:out", "ring3:MMI1b_out2"),
("taper19:out", "ring3:MMI1a_in1"),
("taper20:out", "ring3:MMI1b_in2"),
("taper21:out", "ring3:MMI1a_out1"),
("taper22:out", "ring3:MMI1b_out1"),
("taper23:out", "ring3:MMI1a_in2")]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 8500
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
trans['ring0'] = (1500, 0)
trans['ring1'] = (1500, 0 + column)
trans['ring2'] = (1500, 0 + 2 * column)
trans['ring3'] = (1500, 0 + 3 * column)
trans["taper0"] = (0, 4000)
trans["taper1"] = (0, -4000)
trans["taper2"] = i3.HMirror(0) + i3.Translation((3000, 3500))
trans["taper3"] = i3.HMirror(0) + i3.Translation((3000, -3500))
trans["taper4"] = i3.HMirror(0) + i3.Translation((3000, 1500))
trans["taper5"] = i3.HMirror(0) + i3.Translation((3000, 1000))
trans["taper6"] = (0, 4000 + column)
trans["taper7"] = (0, -4000 + column)
trans["taper8"] = i3.HMirror(0) + i3.Translation(
(3000, 3500 + column))
trans["taper9"] = i3.HMirror(0) + i3.Translation(
(3000, -3500 + column))
trans["taper10"] = i3.HMirror(0) + i3.Translation(
(3000, 1500 + column))
trans["taper11"] = i3.HMirror(0) + i3.Translation(
(3000, 1000 + column))
trans["taper12"] = (0, 4000 + 2 * column)
trans["taper13"] = (0, -4000 + 2 * column)
trans["taper14"] = i3.HMirror(0) + i3.Translation(
(3000, 3500 + 2 * column))
trans["taper15"] = i3.HMirror(0) + i3.Translation(
(3000, -3500 + 2 * column))
trans["taper16"] = i3.HMirror(0) + i3.Translation(
(3000, 1500 + 2 * column))
trans["taper17"] = i3.HMirror(0) + i3.Translation(
(3000, 1000 + 2 * column))
trans["taper18"] = (0, 4000 + 3 * column)
trans["taper19"] = (0, -4000 + 3 * column)
trans["taper20"] = i3.HMirror(0) + i3.Translation(
(3000, 3500 + 3 * column))
trans["taper21"] = i3.HMirror(0) + i3.Translation(
(3000, -3500 + 3 * column))
trans["taper22"] = i3.HMirror(0) + i3.Translation(
(3000, 1500 + 3 * column))
trans["taper23"] = i3.HMirror(0) + i3.Translation(
(3000, 1000 + 3 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.dc.name, self.cell.wg_t1.name),
# coordinate=(1350.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
#
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_{}'.format(self.cell.dc2.name, self.cell.wg_t1.name),
# coordinate=(4650.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_R={}_delay={}'.format(name, self.R, self.delay_length),
#
# coordinate=(0.0, -counter * 5 * self.R - 2 * self.R + 50.0 # -100
# ),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
return elems
class Spirals(PlaceAndAutoRoute):
_name_prefix = 'LSpiral'
tipo = i3.PositiveNumberProperty(doc="Number loops", default=1)
waveguide_template = i3.DefinitionProperty(doc="Trace template used")
R = i3.PositiveNumberProperty(default=200, doc="Radius of curvature")
spacing = i3.PositiveNumberProperty(default=100, doc="Radius of curvature")
n_loops = i3.IntProperty(doc="Number loops", default=2)
n_loops_vec = i3.ListProperty(default=[4, 8])
s_length_vec = i3.ListProperty(default=[0.0])
Spiral_list = i3.ChildCellListProperty(
doc="List containing the 90 degree angle child cells")
#chip_length = i3.PositiveNumberProperty(default=2500.0, doc="Radius of curvature")
chip_length = i3.PositiveNumberProperty(default=3000.0,
doc="Radius of curvature")
Port = i3.ChildCellProperty(doc="Used for ports")
Port2 = i3.ChildCellProperty(doc="Used for ports")
tlport = i3.PositiveNumberProperty(default=1000.0,
doc="Transition legth to ports")
couplingWG = i3.ChildCellProperty(doc="", locked=True)
couplingWG_l = i3.PositiveNumberProperty(default=5000.0,
doc="Length of the coupling WG ")
tt_port = i3.TraceTemplateProperty(
doc="Wide trace template used for the contacts")
tt_port2 = i3.TraceTemplateProperty(
doc="Wide trace template used for the contacts")
#width_vec = i3.ListProperty(default=[1])
n = i3.PositiveNumberProperty(default=1, doc="")
width = i3.PositiveNumberProperty(default=1, doc="")
lengths = i3.PositiveNumberProperty(default=1, doc="")
def _default_lengths(self):
for counter, cell in enumerate(self.s_length_vec):
numero = counter + 1
return numero
#template for Autorute
def _default_trace_template(self):
return self.waveguide_template
def _default_tt(self):
return self.waveguide_template
def _default_tt_port(self):
tt_port = WireWaveguideTemplate()
tt_port_layout = tt_port.Layout(core_width=10.0, cladding_width=10.0)
return tt_port
def _default_tt_port2(self):
tt_port = WireWaveguideTemplate()
tt_port_layout = tt_port.Layout(core_width=10.0, cladding_width=10.0)
return tt_port
def _default_Spiral_list(self):
Spiral_list = [] # empty list
print ' I am in _Spiral_list'
for l, length in enumerate(self.s_length_vec):
loops = 1
print length
cell = FixedLengthSpiralRounded(
trace_template=self.waveguide_template,
#total_length=length-self.chip_length,
total_length=length,
n_o_loops=loops,
name=self.name + '_Spiral_' + str(l))
cell.Layout(
incoupling_length=0,
bend_radius=self.R,
spacing=self.spacing,
stub_direction="H",
growth_direction="H",
) #.visualize(annotate=True)
print 'The legth of the spiral is: ', cell.total_length
print 'Cell: ', cell.name
Spiral_list.append(cell)
return Spiral_list
def _default_couplingWG(self):
rect = i3.Waveguide(trace_template=self.tt_port)
layout_rect = rect.Layout(shape=[(0.0, 0.0), (self.couplingWG_l, 0.0)])
return rect
def _default_Port(self):
Port = AutoTransitionPorts(contents=self.couplingWG,
port_labels=["in"],
trace_template=self.waveguide_template)
layout_Port = Port.Layout(
transition_length=self.tlport) #.visualize(annotate=True)
return Port
def _default_Port2(self):
Port = AutoTransitionPorts(contents=self.couplingWG,
port_labels=["in"],
trace_template=self.waveguide_template)
layout_Port = Port.Layout(
transition_length=self.tlport) #.visualize(annotate=True)
return Port
def _default_child_cells(self):
child_cells = {
} # First we define the property "child_cells" as an empty dictionary
for counter, spiral in enumerate(
self.Spiral_list
): # the iteration starts in the first element of the list and follows element by element to the last element.
child_cells['Spiral{}'.format(counter)] = spiral
print spiral
print 'name of spiral:', spiral.name
child_cells['InPort' + str(counter)] = self.Port
child_cells['OutPort' + str(counter)] = self.Port
print 'child_cells:', child_cells
return child_cells
def _default_links(self):
links = []
for counter, spiral in enumerate(self.Spiral_list):
print counter
in_port = "Spiral{}:in".format(counter)
out_port = "InPort{}:in".format(counter)
links.append((in_port, out_port))
in_port = "Spiral{}:out".format(counter)
out_port = "OutPort{}:in".format(counter)
links.append((in_port, out_port))
return links
class Layout(PlaceAndAutoRoute.Layout):
#tipo=1
def _default_bend_radius(self):
return self.R
def _default_child_transformations(self):
d = {}
for counter, child in enumerate(self.Spiral_list):
ip = child.ports["in"].position
#print self.child_cells['InPort' + str(counter)].ports["out"].position
#print self.child_cells['OutPort' + str(counter)].ports.position
print '----------------'
print 'spiral length:', child.total_length
print 'counter: ', counter
#print ip
op = child.ports["out"].position
#print op
print 'The lateral size of the spiral is', op[0] - ip[0]
print 'The type of mask is: ', self.tipo
print 'The number of widths is: ', self.n
print 'The number of lengths is: ', self.lengths
print 'The width number is: ', self.width
print '----------------'
iz = child.inner_size
sx = iz[1] + 200
#sx=1200
if self.tipo == 1:
d['Spiral' + str(counter)] = i3.Translation(
translation=(-(op[0] - ip[0]) / 2,
self.n * counter * sx))
d['InPort' + str(counter)] = i3.HMirror() + i3.Translation(
translation=(-self.chip_length / 2.0 -
self.couplingWG_l, self.n * counter * sx))
d['OutPort' + str(counter)] = i3.Translation(
translation=(self.chip_length / 2.0 +
self.couplingWG_l, self.n * counter * sx))
if self.tipo == 2:
d['Spiral' + str(counter)] = i3.Translation(
translation=(-(op[0] - ip[0]) / 2,
-(self.n + 0.5) * counter * sx))
#d['InPort' + str(counter)] = i3.HMirror()+ i3.Translation(translation=(-self.chip_length*(3/4)-self.couplingWG_l, -(self.n+0.5)*counter*sx))
#d['OutPort' + str(counter)] = i3.Rotation(rotation=90) + i3.Translation(translation=((op[0]-ip[0])/2+2*self.R+(((self.n+0.5)*counter+self.width)*sx/4), self.chip_length*(3/4)+(self.width+counter-(((counter+1)-1.0)%self.lengths))*sx))
d['InPort' + str(counter)] = i3.HMirror() + i3.Translation(
translation=(-self.chip_length * (1 / 2) - 2000,
-(self.n + 0.5) * counter * sx))
d['OutPort' + str(counter)] = i3.Rotation(
rotation=90) + i3.Translation(translation=(
(op[0] - ip[0]) / 2 + 2 * self.R +
(((self.n + 0.5) * counter + self.width) * sx / 4),
3000 + self.chip_length * (3 / 4) +
(self.width + counter -
(((counter + 1) - 1.0) % self.lengths)) * sx))
#For awg's
#if self.tipo==2:
#d['Spiral' + str(counter)] = i3.Translation(translation=(-(op[0]-ip[0])/2, -(self.n+0.5)*counter*sx))
#d['InPort' + str(counter)] = i3.HMirror()+ i3.Translation(translation=(-self.chip_length*(3/4.0), -(self.n+0.5)*counter*sx))
#d['OutPort' + str(counter)] = i3.Rotation(rotation=90) + i3.Translation(translation=((op[0]-ip[0])/2+2*self.R
#+(((self.n+0.5)*counter+self.width)*sx/100.0)
#, self.chip_length*(2/4.0)+
#(self.width+counter-(((counter+1)-1.0)%self.lengths))*sx))
return d
# Fabio's addition
def _generate_elements(self, elems):
# We calculate the lengths of the 2 spirals in this pcell.
# Note that we assume that there are exactly 2 spirals in this list.
#assert len(self.Spiral_list) == 2
lengths = get_lengths(self)
iz = self.Spiral_list[0].inner_size
sx = iz[1] + 200
for counter, (child,
length) in enumerate(zip(self.Spiral_list, lengths)):
ip = child.ports["in"].position
op = child.ports["out"].position
width = child.ports["in"].trace_template.core_width
#print 'child.ports["in"].trace_template.core_width: ', child.ports["in"].trace_template.core_width
#i3.TECH.PPLAYER.NONE.LOGOTXT when using isipp50g
if self.tipo == 2:
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Width={}_Length={}_R={}'.format(
width, length, self.R),
coordinate=((op[0] - ip[0]) / 2 - 1000.0,
(self.n + 0.5) * counter * sx - 50.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
if self.tipo == 1:
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Width={}_Length={}_R={}'.format(
width, length, self.R),
coordinate=(-(op[0] - ip[0]) / 2 - 1000.0,
-(self.n + 0.5) * counter * sx - 50.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
return elems
class v8(PlaceAndAutoRoute):
wg_t1 = i3.WaveguideTemplateProperty()
wg_sm = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
WGSM = i3.ChildCellProperty()
widtha = i3.PositiveNumberProperty(doc="width of ports", default=15)
mmi22 = i3.ChildCellProperty()
WG1 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
#
# start_id = None
start_id = i3.PositiveNumberProperty(doc="name", default=1)
# start_id = current_id
param_num = 5
def _default_links(self):
links = [
("MMI1b:out2", "WGuptaper2:out"),
("MMI1b:out1", "WGdowntaper2:out"),
# ("MMI1b:out","MMI1a:in"),
("WGuptaper:out", "MMI1b:in2"),
("WGdowntaper:out", "MMI1b:in1"),
("DWGuptaper:out", "DWGuptaper2:out"),
("DWGdowntaper:out", "dummy1:in"),
("DWGdowntaper2:out", "dummy1:out")
]
return links
def _default_child_cells(self):
child_cells = {
"dummy1": self.WGSM,
"MMI1b": self.mmi22,
"WGup": self.WG1,
"WGdown": self.WG1,
"WGup2": self.WG1,
"WGdown2": self.WG1,
"WGuptaper": self.WG2,
"WGdowntaper": self.WG2,
"WGuptaper2": self.WG2,
"WGdowntaper2": self.WG2,
"DWGup": self.WG1,
"DWGdown": self.WG1,
"DWGup2": self.WG1,
"DWGdown2": self.WG1,
"DWGuptaper": self.WG2,
"DWGdowntaper": self.WG2,
"DWGuptaper2": self.WG2,
"DWGdowntaper2": self.WG2
}
return child_cells
def _default_trace_template(self):
trace_template = self.wg_sm
return trace_template
def _default_mmi22(self):
mmi22 = MMI2x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
)
return mmi22
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(
name="Dongbo{}".format(str(self.start_id)),
start_trace_template=self.wg_t1,
end_trace_template=self.wg_sm,
)
return WG2
def _default_WG1(self):
WG1 = i3.Waveguide(name="Dongbo{}".format(str(self.start_id + 1)),
trace_template=self.wg_t1)
return WG1
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.widtha)))
wg_t1.Layout(core_width=self.widtha,
cladding_width=self.widtha + 16.0,
core_process=i3.TECH.PROCESS.WG)
return wg_t1
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate(
name="dongbo{}".format(str(self.start_id + 3)))
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_WGSM(self):
WGSM = i3.Waveguide(name="SM", trace_template=self.trace_template)
return WGSM
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate(
name="dongbo{}".format(str(self.start_id + 4)))
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 16.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate(
name="dongbo{}".format(str(self.start_id + 5)))
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 16.0)
return mmi_access_template
class Layout(PlaceAndAutoRoute.Layout):
length = i3.PositiveNumberProperty(doc="MMI length", default=398)
# width = i3.PositiveNumberProperty(doc="width of ports", default=15)
# def _default_wg_t1(self):
# layout_wg_t1 = self.cell.wg_t1.get_default_view(i3.LayoutView)
# layout_wg_t1.set(core_width=self.width,
# cladding_width=self.width + 16.0,
# core_process=i3.TECH.PROCESS.WG)
# return layout_wg_t1
def _default_WG1(self):
layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
return layout_WG1
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(150.0, 0.0),
end_position=(450.0, 0.0))
return layout_WG2
def _default_WGSM(self):
layout_WGSM = self.cell.WGSM.get_default_view(i3.LayoutView)
layout_WGSM.set(shape=[(0.0, 0.0), (400.0, 0.0)])
return layout_WGSM
def _default_mmi22(self):
layout_mmi22 = self.cell.mmi22.get_default_view(i3.LayoutView)
layout_mmi22.set(name="MMI22_l_{}".format(str(self.length)),
transition_length=200.0,
length=self.length,
trace_spacing=11.0)
return layout_mmi22
def _default_child_transformations(self):
child_transformations = {
"MMI1b": (1300, 0),
"WGup": (0, 4000),
"WGuptaper": (0, 4000),
"WGdown": (0, -4000),
"WGdowntaper": (0, -4000),
"WGuptaper2": i3.HMirror() + i3.Translation((3000, 2000)),
"WGdowntaper2": i3.HMirror() + i3.Translation((3000, -6000)),
"WGup2": (2850, 2000),
"WGdown2": (2850, -6000),
"dummy1": (1300, -300),
"DWGup": (0, 20900),
"DWGuptaper": (0, 20900),
"DWGdown": (0, -4300),
"DWGdowntaper": (0, -4300),
"DWGuptaper2": i3.HMirror() + i3.Translation((3000, 20900)),
"DWGdowntaper2": i3.HMirror() + i3.Translation((3000, -6300)),
"DWGup2": (2850, 20900),
"DWGdown2": (2850, -6300)
}
return child_transformations
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Name={}_{}'.format(
self.cell.mmi22.get_default_view(i3.LayoutView).name,
self.cell.wg_t1.name),
coordinate=(1300.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
return elems
class my_dc(PlaceAndAutoRoute):
DC_list = i3.ChildCellListProperty(default=[])
MMI_list = i3.ChildCellListProperty(default=[])
gap_inc_vec = i3.ListProperty(default=[], doc="Length of MMI")
length_inc_vec = i3.ListProperty(default=[], doc="length of MMI2112")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
WG3 = i3.ChildCellProperty(
doc="dummy SM waveguide") # define this to guide route
wg_t1 = i3.WaveguideTemplateProperty(doc="board WG")
wg_dc = i3.WaveguideTemplateProperty(doc="dc WG")
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 2 * 12.0,
)
return wg_t1
def _default_wg_dc(self):
wg_t1 = WireWaveguideTemplate(name="dc")
wg_t1.Layout(
core_width=2.8,
cladding_width=2.8 + 2 * 12.0,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 2 * 12.0)
return wg_sm
def _default_WG1(self):
wg1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
wg1.Layout(shape=[(0.0, 0.0), (150.0, 0.0)])
return wg1
def _default_WG3(self):
wg3 = i3.Waveguide(name="route", trace_template=self.trace_template)
wg3.Layout(shape=[(0.0, 0.0), (1.0, 0.0)])
return wg3
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}".format(str(self.width)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate(name="MMI_tt")
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 2 * 12) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate(name="MMI_at")
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 2 * 12)
return mmi_access_template
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
for l, dl in enumerate(self.gap_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2x2Tapered(
mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.trace_template,
)
cell.Layout(name="MMI22_l_{}".format(str(self.gap_inc_vec[l])),
transition_length=200.0,
length=self.gap_inc_vec[l],
trace_spacing=11.0)
MMI22_list.append(cell)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_MMI_list(self):
print '____________ MMI 2112 ______________'
MMI2112_list = []
for l, dl in enumerate(self.length_inc_vec):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2112()
cell.Layout(name="MMI2112_l_{}".format(str(
self.length_inc_vec[l])),
length=self.length_inc_vec[l])
MMI2112_list.append(cell)
print 'cell name ' + str(cell.name)
return MMI2112_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 16, 1):
print counter
child_cells['straight1' + str(counter)] = self.WG3
for counter in range(0, 24, 1):
child_cells['taper_in' + str(counter)] = self.WG2
for counter in range(0, 24, 1):
# child_cells['straight2' + str(counter)] = self.WG3
child_cells['taper_out' + str(counter)] = self.WG2
for counter in range(0, 16, 1):
child_cells['straight2' + str(counter)] = self.WG3
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
for counter, child in enumerate(self.MMI_list):
print 'child number' + str(counter)
child_cells['mmi' + str(counter)] = child
print 'child name ' + str(child.name)
print child
child = SBendDirectionalCoupler(name="dc3",
trace_template1=self.trace_template,
coupler_length=923)
child.Layout(
coupler_spacing=1.5 + 3.8,
straight_after_bend=970,
# bend_angle=30.0,
bend_angles1=(20, 20),
bend_angles2=(40, 40),
bend_radius=100)
child_cells['dc3'] = child
child = SBendDirectionalCoupler(name="dc2",
trace_template1=self.wg_dc,
coupler_length=888)
child.Layout(
coupler_spacing=2 + 2.8,
straight_after_bend=860,
# bend_angle=30.0,
bend_angles1=(20, 20),
bend_angles2=(40, 40),
bend_radius=100,
# manhattan=True,
)
child_cells['dc2'] = child
child = SBendDirectionalCoupler(name="dc1",
trace_template1=self.wg_dc,
coupler_length=868)
child.Layout(
coupler_spacing=2 + 2.8,
straight_after_bend=750,
# bend_angle=30.0,
bend_angles1=(20, 20),
bend_angles2=(40, 40),
bend_radius=100,
# manhattan=True,
)
child_cells['dc1'] = child
child = SBendDirectionalCoupler(name="dc4",
trace_template1=self.trace_template,
coupler_length=923)
child.Layout(
coupler_spacing=100 + 3.8,
straight_after_bend=1150,
# bend_angle=30.0,
bend_angles1=(1, 1),
bend_angles2=(40, 40),
bend_radius=100)
child_cells['dc4'] = child
return child_cells
def _default_links(self):
links = []
for counter in range(0, 10, 1):
# in_port = "Spiral{}:in".format(counter)
in_port = "taper_in{}:out".format(counter)
# links.append((in_port, out_port))
# in_port = "Spiral{}:out".format(counter)
out_port = "straight1{}:in".format(counter)
links.append((in_port, out_port))
in_port = "taper_out{}:out".format(counter)
# links.append((in_port, out_port))
# in_port = "Spiral{}:out".format(counter)
out_port = "straight2{}:out".format(counter)
links.append((in_port, out_port))
# for counter in range(0, 11, 1):
if counter % 2 == 0:
i_port = "straight1{}:out".format(counter)
o_port = "ring{}:in1".format(counter // 2)
links.append((i_port, o_port))
i_port = "straight2{}:in".format(counter)
o_port = "ring{}:out1".format(counter // 2)
links.append((i_port, o_port))
else:
ii_port = "straight1{}:out".format(counter)
oo_port = "ring{}:in2".format(counter // 2)
links.append((ii_port, oo_port))
ii_port = "straight2{}:in".format(counter)
oo_port = "ring{}:out2".format(counter // 2)
links.append((ii_port, oo_port))
for counter in range(10, 16, 1):
# in_port = "Spiral{}:in".format(counter)
in_port = "taper_in{}:out".format(counter)
# links.append((in_port, out_port))
# in_port = "Spiral{}:out".format(counter)
out_port = "straight1{}:in".format(counter)
links.append((in_port, out_port))
in_port = "taper_out{}:out".format(counter)
# links.append((in_port, out_port))
# in_port = "Spiral{}:out".format(counter)
out_port = "straight2{}:out".format(counter)
links.append((in_port, out_port))
if counter % 2 == 0:
i_port = "straight1{}:out".format(counter)
o_port = "mmi{}:MMI1b_in1".format((counter - 10) // 2)
links.append((i_port, o_port))
i_port = "straight2{}:in".format(counter)
o_port = "mmi{}:MMI1a_out1".format((counter - 10) // 2)
links.append((i_port, o_port))
else:
ii_port = "straight1{}:out".format(counter)
oo_port = "mmi{}:MMI1b_in2".format((counter - 10) // 2)
links.append((ii_port, oo_port))
ii_port = "straight2{}:in".format(counter)
oo_port = "mmi{}:MMI1a_out2".format((counter - 10) // 2)
links.append((ii_port, oo_port))
links.append(("taper_in16:out", "dc1:in1")),
links.append(("taper_in17:out", "dc1:in2")),
links.append(("taper_out16:out", "dc1:out1")),
links.append(("taper_out17:out", "dc1:out2")),
links.append(("taper_in18:out", "dc2:in1")),
links.append(("taper_in19:out", "dc2:in2")),
links.append(("taper_out18:out", "dc2:out1")),
links.append(("taper_out19:out", "dc2:out2")),
links.append(("taper_in20:out", "dc3:in1")),
links.append(("taper_in21:out", "dc3:in2")),
links.append(("taper_out20:out", "dc3:out1")),
links.append(("taper_out21:out", "dc3:out2")),
links.append(("taper_in22:out", "dc4:in1")),
links.append(("taper_in23:out", "dc4:in2")),
links.append(("taper_out22:out", "dc4:out1")),
links.append(("taper_out23:out", "dc4:out2")),
# links.append(
# ("taper_in0:out", "ring0:in2"),
# ("taper_in1:out", "ring0:in1"),
# # ("taper_in2:out", "ring0:out2"),
# # ("taper_in3:out", "ring0:out1"),
#
# ("taper_in2:out", "ring1:in2"),
# ("taper_in3:out", "ring1:in1"),
# # ("taper6:out", "ring1:out2"),
# # ("taper7:out", "ring1:out1"),
# #
# ("taper_in4:out", "ring2:in2"),
# ("taper_in5:out", "ring2:in1"),
# # ("taper10:out", "ring2:out2"),
# # ("taper11:out", "ring2:out1"),
# ("taper_in6:out", "ring3:in2"),
# ("taper_in7:out", "ring3:in1"),
# ("taper_in8:out", "ring4:in2"),
# ("taper_in9:out", "ring4:in1"),
#
# )
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 150
# a = self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x
for counter in range(0, 24, 1):
trans['taper_in' + str(counter)] = i3.Translation(
translation=(0, counter * column))
trans['taper_out' +
str(counter)] = i3.HMirror(0) + i3.Translation(
translation=(6000, 1000 + counter * column))
# trans['straight1' + str(counter)] = i3.Translation(
# translation=(1490 - counter * 30, 1670 + counter * 150), rotation=90)
# trans['straight2']
# trans["dircoup1"] = (1650, 0)
# trans["dircoup2"] = (4950, 0)
# trans['mzi_22_22_0'] = (0, 0)
for counter in range(0, 5, 1):
trans['ring' + str(counter)] = i3.Translation(
translation=(3000, 5000 + counter * column / 1.5))
for counter in range(0, 3, 1):
trans['mmi' + str(counter)] = i3.Translation(
translation=(3000, 5500 + counter * column / 1.5))
trans['dc1'] = i3.Translation((3000 + 200, 5800))
trans['dc2'] = i3.Translation((3000 + 200, 5950))
trans['dc3'] = i3.Translation((3000 + 200, 6100))
trans['dc4'] = i3.Translation((3000 + 200, 6300))
for counter, child in enumerate(self.DC_list):
a = (child.ports['in1'].x, child.ports['in1'].y)
b = (child.ports['in2'].x, child.ports['in2'].y)
c = (child.ports['out1'].x, child.ports['out1'].y)
d = (child.ports['out2'].x, child.ports['out2'].y)
n = counter * 2
m = counter * 2 + 1
trans['straight1' + str(n)] = i3.Translation(
translation=a) + i3.Translation(translation=(
3000, 5000 + counter * column / 1.5)) + i3.Translation(
(-2 - 50 * n, 0))
trans['straight1' + str(m)] = i3.Translation(
translation=b) + i3.Translation(translation=(
3000, 5000 + counter * column / 1.5)) + i3.Translation(
(-2 - 50 * m, 0))
trans['straight2' + str(n)] = i3.Translation(
translation=c) + i3.Translation(translation=(
3000, 5000 + counter * column / 1.5)) + i3.Translation(
(2 + 50 * n, 0))
trans['straight2' + str(m)] = i3.Translation(
translation=d) + i3.Translation(translation=(
3000, 5000 + counter * column / 1.5)) + i3.Translation(
(2 + 50 * m, 0))
print a, b
for counter, child in enumerate(self.MMI_list):
a = (child.ports['MMI1b_in1'].x, child.ports['MMI1b_in1'].y)
b = (child.ports['MMI1b_in2'].x, child.ports['MMI1b_in2'].y)
c = (child.ports['MMI1a_out1'].x, child.ports['MMI1a_out1'].y)
d = (child.ports['MMI1a_out2'].x, child.ports['MMI1a_out2'].y)
n = 10 + counter * 2
m = 10 + counter * 2 + 1
trans['straight1' + str(n)] = i3.Translation(
translation=a) + i3.Translation(translation=(
3000, 5500 + counter * column / 1.5)) + i3.Translation(
(-2 - 50 * n, 0))
trans['straight1' + str(m)] = i3.Translation(
translation=b) + i3.Translation(translation=(
3000, 5500 + counter * column / 1.5)) + i3.Translation(
(-2 - 50 * m, 0))
trans['straight2' + str(n)] = i3.Translation(
translation=c) + i3.Translation(translation=(
3000, 5500 + counter * column / 1.5)) + i3.Translation(
(2 + 50 * n - 250, 0))
trans['straight2' + str(m)] = i3.Translation(
translation=d) + i3.Translation(translation=(
3000, 5500 + counter * column / 1.5)) + i3.Translation(
(2 + 50 * m - 250, 0))
print a, b
# trans['ring0'] = (2000, 2000)
# trans['ring1'] = (2000, 2000 + column)
# trans['ring2'] = (2000, 2000 + 2 * column)
# trans['ring3'] = (2000, 2000 + 3 * column)
# trans['ring4'] = (2000, 2000 + 4 * column)
# trans['ring0'] = (2000, 2000)
# trans['ring1'] = (2000, 2000 + column)
# trans['ring2'] = (2000, 2000 + 2 * column)
# trans['ring3'] = (2000, 2000 + 3 * column)
# trans['ring4'] = (2000, 2000 + 4 * column)
# trans["taper0"] = (0, 4000)
# trans["taper1"] = (0, -4000)
# trans["taper2"] = i3.HMirror(0) + i3.Translation((5000, 2500))
# trans["taper3"] = i3.HMirror(0) + i3.Translation((5000, -2500))
#
# trans["taper4"] = (0, 4000 + column)
# trans["taper5"] = (0, -4000 + column)
# trans["taper6"] = i3.HMirror(0) + i3.Translation((5000, 2500 + column))
# trans["taper7"] = i3.HMirror(0) + i3.Translation((5000, -2500 + column))
#
# trans["taper8"] = (0, 4000 + 2 * column)
# trans["taper9"] = (0, -4000 + 2 * column)
# trans["taper10"] = i3.HMirror(0) + i3.Translation((5000, 2500 + 2 * column))
# trans["taper11"] = i3.HMirror(0) + i3.Translation((5000, -2500 + 2 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
for counter in range(0, 24, 1):
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}".format(str(counter)),
# coordinate=(1300.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=70.0,
transformation=i3.Translation((300, 100 + 150 * counter)))
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}".format(str(counter)),
# coordinate=(1300.0, 100.0),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=70.0,
transformation=i3.Translation(
(5700, 1100 + 150 * counter)))
return elems
class MMI2112(PlaceAndAutoRoute):
wg_sm = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
mmi1_12 = i3.ChildCellProperty()
mmi1_21 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
def _default_links(self):
links = [("taper:out", "taper2:out")]
return links
def _default_child_cells(self):
child_cells = {
"MMI1a": self.mmi1_12,
"MMI1b": self.mmi1_21,
"taper": self.WG2,
"taper2": self.WG2
}
return child_cells
def _default_trace_template(self):
wg_sm2 = WireWaveguideTemplate()
wg_sm2.Layout(core_width=3.1, cladding_width=3.1 + 24.0)
return wg_sm2
def _default_mmi1_12(self):
mmi12 = MMI1x2Tapered(mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["out1", "out2"],
)
return mmi12
def _default_mmi1_21(self):
mmi21 = MMI2x1Tapered(mmi_trace_template=self.mmi_trace_template,
input_trace_template=self.mmi_access_template,
output_trace_template=self.mmi_access_template,
trace_template=self.wg_sm,
port_labels=["in1", "in2"],
)
return mmi21
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(start_trace_template=self.mmi_access_template,
end_trace_template=self.trace_template)
return WG2
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate()
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 24.0)
return wg_sm
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate()
mmi_trace_template.Layout(core_width=20.0, cladding_width=20.0 + 24.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate()
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 24.0)
return mmi_access_template
class Layout(PlaceAndAutoRoute.Layout):
length = i3.PositiveNumberProperty(doc="MMI length", default=97)
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(0.0, 0.0), end_position=(200.0, 0.0))
return layout_WG2
def _default_mmi1_12(self):
layout_mmi1_12 = self.cell.mmi1_12.get_default_view(i3.LayoutView)
layout_mmi1_12.set(transition_length=200.0, length=self.length, trace_spacing=11.0)
return layout_mmi1_12
def _default_mmi1_21(self):
layout_mmi1_21 = self.cell.mmi1_21.get_default_view(i3.LayoutView)
layout_mmi1_21.set(name="MMI2112_l_{}".format(str(self.length)), transition_length=200.0,
length=self.length, trace_spacing=11.0)
# print layout_mmi1_21.ports['in1'].x
return layout_mmi1_21
def _default_child_transformations(self):
a = self.cell.mmi1_21.get_default_view(i3.LayoutView).ports['out'].x
child_transformations = {"MMI1a": (a + 490, 0),
"taper": (a, 0),
"taper2": i3.HMirror(0.0) + i3.Translation((a + 490, 0))
}
return child_transformations
class my_dc(PlaceAndAutoRoute):
DC_list = i3.ChildCellListProperty(default=[])
# gap_inc_vec = i3.ListProperty(default=[], doc="Length of MMI")
gap_inc_vec2 = i3.ListProperty(default=[], doc="length of 12mmi")
WG1 = i3.ChildCellProperty(doc="", locked=True)
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty(doc="board WG")
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
cleave = i3.PositiveNumberProperty(doc="tolerance", default=150)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(
core_width=self.width,
cladding_width=self.width + 2 * 12.0,
)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 2 * 12.0)
return wg_sm
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}_{}".format(str(self.width),
str(self.cleave)),
trace_template=self.wg_t1)
WG1.Layout(shape=[(0.0, 0.0), (self.cleave, 0.0)])
return WG1
def _default_WG2(self):
Port = AutoTransitionPorts(name="ports{}_{}".format(
str(self.width), str(self.cleave)),
contents=self.WG1,
port_labels=["out"],
trace_template=self.trace_template)
Port.Layout(transition_length=300) # .visualize(annotate=True)
return Port
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate(name="MMI_tt")
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 2 * 12) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate(name="MMI_at")
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 2 * 12)
return mmi_access_template
def _default_DC_list(self):
print '____________ MMI 2x2 ______________'
MMI22_list = []
# cell = MMI2x2Tapered(mmi_trace_template=self.mmi_trace_template,
# input_trace_template=self.mmi_access_template,
# output_trace_template=self.mmi_access_template,
# trace_template=self.trace_template,
# )
#
# cell.Layout(name="MMI22_l_430", transition_length=200.0,
# length=430, trace_spacing=11.0
# )
#
# MMI22_list.append(cell)
#
# print 'cell name ' + str(cell.name)
# print '__________________________'
for l, dl in enumerate(self.gap_inc_vec2):
print 'length number ' + str(l)
print 'dl ' + str(dl)
cell = MMI2112()
cell.Layout(name="MMI2112_l_{}".format(str(self.gap_inc_vec2[l])),
length=self.gap_inc_vec2[l])
MMI22_list.append(cell)
print 'cell name ' + str(cell.name)
print '__________________________'
return MMI22_list
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 11, 1):
print counter
# child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
for counter, child in enumerate(self.DC_list):
print 'child number' + str(counter)
child_cells['ring' + str(counter)] = child
print 'child name ' + str(child.name)
print child
return child_cells
def _default_links(self):
links = [
# ("taper0:out", "ring0:in2"),
# ("taper1:out", "ring0:in1"),
# ("taper2:out", "ring0:out2"),
# ("taper3:out", "ring0:out1"),
("taper0:out", "ring0:narrow_in"),
("taper1:out", "ring0:MMI1a_out1"),
("taper2:out", "ring0:MMI1a_out2"),
("taper3:out", "ring1:narrow_in"),
("taper4:out", "ring1:MMI1a_out1"),
("taper5:out", "ring1:MMI1a_out2"),
("taper6:out", "ring2:narrow_in"),
("taper7:out", "ring2:MMI1a_out1"),
("taper8:out", "ring2:MMI1a_out2"),
("taper9:out", "taper10:out")
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_child_transformations(self):
trans = dict()
column = 6000
trans['ring0'] = (600, 0)
trans['ring1'] = (600, 1 * column)
trans['ring2'] = (600, 2 * column)
# trans['ring3'] = (1300, 8000 + 2 * column )
trans["taper0"] = (0, 0)
trans["taper1"] = i3.HMirror(0) + i3.Translation((2500, -1500))
trans["taper2"] = i3.HMirror(0) + i3.Translation((2500, 1500))
trans["taper3"] = (0, 1 * column)
trans["taper4"] = i3.HMirror(0) + i3.Translation(
(2500, -1500 + 1 * column))
trans["taper5"] = i3.HMirror(0) + i3.Translation(
(2500, 1500 + 1 * column))
trans["taper6"] = (0, 2 * column)
trans["taper7"] = i3.HMirror(0) + i3.Translation(
(2500, -1500 + 2 * column))
trans["taper8"] = i3.HMirror(0) + i3.Translation(
(2500, 1500 + 2 * column))
trans["taper9"] = (0, 3800 + 2 * column)
trans["taper10"] = i3.HMirror(0) + i3.Translation(
(2500, -1500 + 3 * column))
# trans["taper11"] = i3.HMirror(0) + i3.Translation((3000, 6500+ 2 * column))
# trans["taper12"] = i3.HMirror(0) + i3.Translation((3000, 9500+ 2 * column))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
def _generate_elements(self, elems):
for counter, child in enumerate(self.DC_list):
name = child.name
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}_{}".format(name, self.cell.wg_t1.name),
# coordinate=(1300.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=30.0,
transformation=i3.Translation((600, 100 + 6000 * counter)))
for i in range(1, 8, 1):
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text="{}".format(i),
coordinate=(400, -4400 + 3000 * i),
font=2,
height=200.0,
)
for j in range(-1, 2, 1):
for i in range(0, 4, 1):
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(100 + j * 6000,
-3000 + 100 + 6000 * i),
box_size=(100, 100))
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(100 + j * 6000,
-3000 - 100 + 6000 * i),
box_size=(100, 100))
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(100 + j * 6000, -3000 + 100 +
6000 * 3 + 3000),
box_size=(100, 100))
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(100 + j * 6000, -3000 - 100 +
6000 * 3 + 3000),
box_size=(100, 100))
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(300,
-3000 + 100 + 6000 * 3 + 3000),
box_size=(100, 100))
elems += i3.Rectangle(layer=i3.TECH.PPLAYER.WG.TEXT,
center=(300, -3000 - 100),
box_size=(100, 100))
return elems
class v9(PlaceAndAutoRoute):
wg_t1 = i3.WaveguideTemplateProperty()
wg_sm = i3.WaveguideTemplateProperty()
mmi_trace_template = i3.WaveguideTemplateProperty()
mmi_access_template = i3.WaveguideTemplateProperty()
length2 = i3.PositiveNumberProperty(doc="MMI2 length", default=97)
mmi22 = i3.ChildCellProperty()
WG1 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
def _default_links(self):
links = [
("MMI1b:MMI1a_out2", "WGuptaper2:out"),
("MMI1b:MMI1a_out1", "WGdowntaper2:out"),
# ("MMI1b:out","MMI1a:in"),
("WGuptaper:out", "MMI1b:MMI1b_in2"),
("WGdowntaper:out", "MMI1b:MMI1b_in1")
]
return links
def _default_child_cells(self):
child_cells = {
"MMI1b": self.mmi22,
"WGup": self.WG1,
"WGdown": self.WG1,
"WGup2": self.WG1,
"WGdown2": self.WG1,
"WGuptaper": self.WG2,
"WGdowntaper": self.WG2,
"WGuptaper2": self.WG2,
"WGdowntaper2": self.WG2
}
return child_cells
def _default_trace_template(self):
trace_template = self.wg_sm
return trace_template
def _default_mmi22(self):
mmi22 = MMI2112(length=self.length2)
# mmi22 = MMI2112()
return mmi22
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(start_trace_template=self.wg_t1,
end_trace_template=self.wg_sm)
return WG2
def _default_WG1(self):
WG1 = i3.Waveguide(name="Dongbo", trace_template=self.wg_t1)
return WG1
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate()
wg_t1.Layout(core_width=15.0,
cladding_width=15.0 + 16.0,
core_process=i3.TECH.PROCESS.WG)
return wg_t1
def _default_wg_sm(self):
wg_sm = WireWaveguideTemplate()
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_mmi_trace_template(self):
mmi_trace_template = WireWaveguideTemplate()
mmi_trace_template.Layout(core_width=20.0,
cladding_width=20.0 + 16.0) # MMI_width
return mmi_trace_template
def _default_mmi_access_template(self):
mmi_access_template = WireWaveguideTemplate()
mmi_access_template.Layout(core_width=9.0, cladding_width=9.0 + 16.0)
return mmi_access_template
class Layout(PlaceAndAutoRoute.Layout):
# length2 = i3.PositiveNumberProperty(doc="MMI2 length", default=97)
def _default_WG1(self):
layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
return layout_WG1
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(150.0, 0.0),
end_position=(450.0, 0.0))
return layout_WG2
# def _default_mmi22(self):
# # layout_mmi22 = self.cell.mmi22.get_default_view(i3.LayoutView)
# self.cell.mmi22.length = self.length2
# layout_mmi22 = self.cell.mmi22.get_default_view(i3.LayoutView)
# return layout_mmi22
def _default_child_transformations(self):
child_transformations = {
"MMI1b": (1300, 0),
"WGup": (0, 4000),
"WGuptaper": (0, 4000),
"WGdown": (0, -4000),
"WGdowntaper": (0, -4000),
"WGuptaper2": i3.HMirror() + i3.Translation((3300, 2000)),
"WGdowntaper2": i3.HMirror() + i3.Translation((3300, -6000)),
"WGup2": (3150, 2000),
"WGdown2": (3150, -6000)
}
return child_transformations
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
class my_dc(PlaceAndAutoRoute):
dc = i3.ChildCellProperty()
dc2 = i3.ChildCellProperty()
WG1 = i3.ChildCellProperty()
WG2 = i3.ChildCellProperty()
wg_t1 = i3.WaveguideTemplateProperty()
wg_dc2 = i3.WaveguideTemplateProperty()
width = i3.PositiveNumberProperty(doc="width of ports", default=15)
# start_id = i3.PositiveNumberProperty(doc="name_id", default=1)
def _default_wg_t1(self):
wg_t1 = WireWaveguideTemplate(name="port_{}".format(str(self.width)))
wg_t1.Layout(core_width=self.width,
cladding_width=self.width + 16,
core_process=i3.TECH.PROCESS.WG)
return wg_t1
def _default_trace_template(self):
wg_sm = WireWaveguideTemplate(name="sm_template")
wg_sm.Layout(core_width=3.8, cladding_width=3.8 + 16.0)
return wg_sm
def _default_wg_dc2(self):
wg_dc2 = WireWaveguideTemplate(name="dc2_template")
wg_dc2.Layout(core_width=2.8, cladding_width=2.8 + 16.0)
return wg_dc2
def _default_WG1(self):
WG1 = i3.Waveguide(name="straight{}".format(str(self.width)),
trace_template=self.wg_t1)
return WG1
def _default_WG2(self):
WG2 = WireWaveguideTransitionLinear(
name="taper{}".format(str(self.width)),
start_trace_template=self.wg_t1,
end_trace_template=self.trace_template)
return WG2
def _default_dc(self):
dc = BendDirectionalCoupler(name="DC_gap_1.5_l_923",
trace_template1=self.trace_template,
coupler_length=923.0)
dc.Layout(
coupler_spacing=1.5 + 3.8,
bend_radius=300.0,
# manhattan=True,
# straight_after_bend=600.0,
bend_angle=90.0)
return dc
def _default_dc2(self):
dc2 = BendDirectionalCoupler(name="DC_gap_2_l_888",
trace_template1=self.wg_dc2,
coupler_length=888.0)
dc2.Layout(
coupler_spacing=2 + 2.8,
bend_radius=300.0,
# manhattan=True,
bend_angle=90.0)
return dc2
def _default_child_cells(self):
child_cells = dict()
for counter in range(0, 8, 1):
print counter
child_cells['straight' + str(counter)] = self.WG1
child_cells['taper' + str(counter)] = self.WG2
child_cells["dircoup1"] = self.dc
child_cells["dircoup2"] = self.dc2
return child_cells
def _default_links(self):
links = [
("taper0:out", "dircoup1:in2"), ("taper1:out", "dircoup1:in1"),
("taper2:out", "dircoup1:out2"), ("taper3:out", "dircoup1:out1"),
("taper4:out", "dircoup2:in2"), ("taper5:out", "dircoup2:in1"),
("taper6:out", "dircoup2:out2"), ("taper7:out", "dircoup2:out1")
]
return links
class Layout(PlaceAndAutoRoute.Layout):
def _default_WG1(self):
layout_WG1 = self.cell.WG1.get_default_view(i3.LayoutView)
layout_WG1.set(shape=[(0.0, 0.0), (150.0, 0.0)])
return layout_WG1
def _default_WG2(self):
layout_WG2 = self.cell.WG2.get_default_view(i3.LayoutView)
layout_WG2.set(start_position=(0.0, 0.0),
end_position=(300.0, 0.0))
return layout_WG2
# def _default_dc(self):
# layout_dc = self.cell.dc.get_default_view(i3.LayoutView)
# layout_dc.set(coupler_spacing=2.5 + 3.8,
# bend_radius=300.0,
# manhattan=True,
# # straight_after_bend=6.0,
# bend_angle=90.0)
# return layout_dc
def _default_child_transformations(self):
trans = dict()
trans["dircoup1"] = (1650, 0)
trans["dircoup2"] = (4950, 0)
# for counter in range(0, 8, 1):
# print counter
# trans['straight' + str(counter)] = (2000 * (counter + 1), 0)
# trans["taper" + str(counter)] = (0, 2000 * (counter + 1))
trans["straight0"] = (0, 4000)
trans["straight1"] = (0, -4000)
trans["straight2"] = (3150, 2000)
trans["straight3"] = (3150, -6000)
trans["straight4"] = (3300, 2000)
trans["straight5"] = (3300, -6000)
trans["straight6"] = (6450, 4000)
trans["straight7"] = (6450, -4000)
trans["taper0"] = (150, 4000)
trans["taper1"] = (150, -4000)
trans["taper2"] = i3.HMirror(150) + i3.Translation((2850, 2000))
trans["taper3"] = i3.HMirror(150) + i3.Translation((2850, -6000))
trans["taper4"] = (3450, 2000)
trans["taper5"] = (3450, -6000)
trans["taper6"] = i3.HMirror(150) + i3.Translation((6150, 4000))
trans["taper7"] = i3.HMirror(150) + i3.Translation((6150, -4000))
return trans
def _default_bend_radius(self):
bend_radius = 300
return bend_radius
# def _default_start_straight(self):
# start_straight = 100.0
# return start_straight
def _generate_elements(self, elems):
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Name={}_{}'.format(self.cell.dc.name,
self.cell.wg_t1.name),
coordinate=(1350.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
elems += i3.PolygonText(
layer=i3.TECH.PPLAYER.WG.TEXT,
text='Name={}_{}'.format(self.cell.dc2.name,
self.cell.wg_t1.name),
coordinate=(4650.0, 100.0),
alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
font=2,
height=20.0)
# elems += i3.PolygonText(layer=i3.TECH.PPLAYER.WG.TEXT,
# text='Name={}_R={}_delay={}'.format(name, self.R, self.delay_length),
#
# coordinate=(0.0, -counter * 5 * self.R - 2 * self.R + 50.0 # -100
# ),
# alignment=(i3.TEXT_ALIGN_LEFT, i3.TEXT_ALIGN_LEFT),
# font=2,
# height=20.0)
return elems
