def draw(self, cell):
cell = self.draw_gds_cell(cell)
_, ex, ey = self.origin_ex_ey()
opt1_position = -7.4 * ex + 0 * ey
opt2_position = 7.4 * ex + 2.75 * ey
opt3_position = 7.4 * ex + -2.75 * ey
ports = [
Port("opt1", opt1_position, -ex, 0.5),
Port("opt2", opt2_position, ex, 0.5),
Port("opt3", opt3_position, ex, 0.5),
]
return cell, {port.name: port for port in ports}
def draw(self, cell):
layout = cell.layout()
cp = self.get_cell_params()
lay = self.get_layers(layout)
origin, ex, ey = self.origin_ex_ey()
w_mh = cp.mh_width
length = cp.mh_length
w_contacts = cp.w_contacts
input_port_position = origin - length / 2 * ex
output_port_postion = origin + length / 2 * ex
x_off = length / 2 - w_contacts / 2
y_off = w_mh / 2 + w_contacts / 2
input_contact_position = origin - x_off * ex + y_off * ey
output_contact_position = origin + x_off * ex + y_off * ey
# draw metal heater
layout_waveguide(cell, lay.M_Heater,
[input_port_position, output_port_postion], w_mh)
# draw metal contacts
# Left contacts
contact_points = [
origin - x_off * ex + (y_off - w_contacts / 2) * ey,
origin - x_off * ex + (y_off + w_contacts / 2) * ey,
]
layout_waveguide(cell, lay.M_Heater, contact_points, w_contacts)
layout_waveguide(cell, lay.ML, contact_points, w_contacts)
# Right contacts
contact_points = [
origin + x_off * ex + (y_off - w_contacts / 2) * ey,
origin + x_off * ex + (y_off + w_contacts / 2) * ey,
]
layout_waveguide(cell, lay.M_Heater, contact_points, w_contacts)
layout_waveguide(cell, lay.ML, contact_points, w_contacts)
ports = [
Port("el_contact_1", input_contact_position, ey, w_contacts),
Port("el_contact_2", output_contact_position, ey, w_contacts),
]
return cell, {port.name: port for port in ports}
def draw(self, cell):
layout = cell.layout()
origin, ex, ey = self.origin_ex_ey()
cp = self.params
def make_shape_from_dpolygon(dpoly, resize_dx, dbu, layer):
dpoly.resize(resize_dx, dbu)
# if resize_dx > dbu:
# dpoly.round_corners(resize_dx, 100)
insert_shape(cell, layer, dpoly)
return dpoly
def make_pad(origin, pad_width, pad_height, ex, ey):
pad_square = rectangle(origin, pad_width, pad_height, ex, ey)
make_shape_from_dpolygon(pad_square, 0, layout.dbu, cp.layer_metal)
make_shape_from_dpolygon(pad_square, -2.5, layout.dbu,
cp.layer_opening)
make_pad(origin + cp.pad_height * ey / 2, cp.pad_width, cp.pad_height,
ex, ey)
port = Port("el0", origin + cp.port_width * ey / 2, -ey, cp.port_width,
"el_dc")
return cell, {"el0": port}