dc_with_phase_shifter.py

import nazca as nd
import nazca.demofab as demo

with nd.Cell("Coupler") as coupler:
    # Upper arm
    demo.shallow.sinebend(distance=100, offset=-40).put(0, 50)
    demo.shallow.strt(length=20).put()
    demo.shallow.sinebend(distance=100, offset=40).put()

    # Lower arm
    demo.shallow.sinebend(distance=100, offset=40).put(0, -50)
    demo.shallow.strt(length=20).put()
    demo.shallow.sinebend(distance=100, offset=-40).put()

    # Pins
    nd.Pin("a0").put(0, 50, 180)
    nd.Pin("a1").put(0, -50, 180)
    nd.Pin("b0").put(220, 50, 0)
    nd.Pin("b1").put(220, -50, 0)

C = coupler.put(0)
#pin b0 is the pin that will attach eopm to the DC, but the c0 is planned to be an external pin like in laser module
demo.eopm_dc(length=150).put(C.pin['b0'])

pad = demo.pad_dc().put()

demo.metaldc.bend_strt_bend(pad.pin['c0']).put()

nd.export_gds()