def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(
south_east=(2000.0, 0.0), # column width = 2000um
y_spacing=25.0) # vertical spacing between waveguides
# define a component
from picazzo.filters.ring import RingRect180DropFilter
my_ring = RingRect180DropFilter(name="My_Ring")
# add the component to the column
my_column.add(
my_ring,
# the following are parameters of the IOFibcoup adapter, which are passed on
taper_length=
50.0, # taper from component to intermediate waveguide. Default = 300.
wg_width=2.0, # width of intermediate waveguide. Default = 3.0
trench_width=
2.0, # trench width of intermediate waveguide. Default from TECH
connect_length=100.0, # horizontal length of Fanout. Default = 40.0
bend_radius=30.0, # bend radius of Fanout. Default from TECH
minimum_straight=8.0, # minimum straight sections
fibcoup=TECH.IO.FIBCOUP.DEFAULT_GRATING, # default fiber coupler
fibcoup_offset=
30.0, # offset of grating coupler from the edge. Default = 25.6
fibcoup_taper_length=
200.0, # Taper length from intermedeate waveguide to fiber coupler
merged_waveguides=False # bundle waveguide in Fanout
)
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
from picazzo.io.fibcoup import IoFibcoupGeneric
my_column = IoColumnGroup(
south_east=(2000.0, 0.0), # column width = 2000um
y_spacing=25.0, # vertical spacing between waveguides
adapter=IoFibcoupGeneric) # new default adapter
# define a component
from picazzo.filters.ring import RingRect180DropFilter
my_ring = RingRect180DropFilter(name="My_Ring")
# add the component to the column
my_column.add(
my_ring,
west_fibcoups=[
TECH.IO.FIBCOUP.DEFAULT_GRATING_TE,
TECH.IO.FIBCOUP.DEFAULT_GRATING_TM
], # list
east_fibcoup_taper_lengths=[50.0, 300.0, 500.0], # list
) # each individual fiber coupler interface can now be set separately
# if there are more parts than elements in a list, the adapter will cycle through
# the elements in the list. in this case, the west fiber couplers will
# alternate between TE and TM. The east taper lengths will cycle between the
# three values.
# The cycling restarts with each new invokation of the adapter.
# all parameters of IoFibcoup can be used, but with prefix 'east_' or 'west_',
# and converted to plural
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
from picazzo.io.fibcoup import IoFibcoupAsymmetric
my_column = IoColumnGroup(
south_east=(2000.0, 0.0), # column width = 2000um
y_spacing=25.0, # vertical spacing between waveguides
adapter=IoFibcoupAsymmetric) # new default adapter
# define a component
from picazzo.filters.ring import RingRect180DropFilter
my_ring = RingRect180DropFilter(name="My_Ring")
# add the component to the column
my_column.add(
my_ring,
west_fibcoup=TECH.IO.FIBCOUP.DEFAULT_GRATING_TE,
east_fibcoup=TECH.IO.FIBCOUP.DEFAULT_GRATING_TM,
east_merged_waveguides=False,
) # all adapter parameters can be set for east and west separately
# all the regular parameters if IoFibcoup can be used, now with prefix
# 'east_' or "west_' (see previous example).
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(south_east=(2000.0, 0.0), y_spacing=25.0)
from picazzo.filters.ring import RingRect180DropFilter
for r in [5.0, 6.0, 7.0]:
my_ring = RingRect180DropFilter(bend_radius=r)
my_column.add(my_ring)
my_column.add_blocktitle("RING")
elems += my_column
return elems
def define_elements(self, elems):
# alignment waveguide
layout = IoColumnGroup(y_spacing=25.0, south_east=(6000.0,0.0))
wg_def2 = WgElDefinition(wg_width=0.5,trench_width=7.0)
align2_wg = wg_def2(shape = [(0.0,0.0), (100.0,0.0)])
align2 = Structure(name="align2", elements=[align2_wg], ports=align2_wg.ports)
layout += align2
wg_def3 = WgElDefinition(wg_width=2.0,trench_width=7.0)
align3_wg = wg_def3(shape = [(0.0,0.0), (200.0,0.0)])
align3 = Structure(name="align3", elements=[align3_wg], ports=align3_wg.ports)
layout += align3
elems += layout
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(
south_east=(2000.0, 0.0), # column width = 2000um
y_spacing=25.0) # vertical spacing between waveguides
# define a component
from picazzo.filters.ring import RingRect180DropFilter
my_ring = RingRect180DropFilter(name="My_Ring")
# add the component to the column
my_column.add(my_ring)
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(
south_east=(2000.0, 0.0), # column width = 2000um
y_spacing=25.0) # vertical spacing between waveguides
# define a component
from picazzo.filters.ring import RingRect180DropFilter
my_ring = RingRect180DropFilter(name="My_Ring")
# add the component to the column
from picazzo.io.fibcoup import IoFibcoup
my_column.add(
my_ring,
offset=(50, 50), # offset the structure from the center
adapter=IoFibcoup, # this is the default adapter.
transformation=Rotation(rotation=10.0)) # transform the structure
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(south_east=(2000.0, 0.0), y_spacing=25.0)
from picazzo.filters.ring import RingRect180DropFilter
from picazzo.container import RoutePortsAroundCorner
for r in [5.0, 6.0, 7.0]:
my_ring = RingRect180DropFilter(bend_radius=r)
my_ring_routed = RoutePortsAroundCorner(
structure=my_ring,
port_labels=["W1"],
first_step_direction=NORTH,
output_direction=EAST,
spacing=5.0,
) # routes add port to the east
my_column.add(my_ring_routed)
my_column.add_blocktitle("RING")
elems += my_column
return elems
def define_elements(self, elems):
# define a column
from picazzo.io.column import IoColumnGroup
my_column = IoColumnGroup(south_east=(2000.0, 0.0), y_spacing=25.0)
from picazzo.filters.ring import RingRect180DropFilter
from picazzo.container import RoutePortsAroundCorner
for r in [25.0, 30.0, 35.0]: # we make the rings 5 times larger
my_ring = RingRect180DropFilter(bend_radius=r)
my_ring_routed = RoutePortsAroundCorner(
structure=my_ring,
port_labels=["W1"],
first_step_direction=NORTH,
output_direction=EAST,
spacing=5.0,
) # routes add port to the east
my_column.add(my_ring_routed)
my_column.straighten_to_north(
) # levels out both sides, taking into account the
# size of the last structure in the middle
my_column.add_blocktitle("RING")
elems += my_column
return elems