# Create the circuit, add all individual instances
circuit = Subcircuit("mzi")
circuit.add([
(y, "splitter"),
(y, "recombiner"),
(wg_long, "wg_long"),
(wg_short, "wg_short"),
])
circuit.elements["splitter"].pins = ("in1", "out1", "out2")
circuit.elements["recombiner"].pins = ("out1", "in2", "in1")
# Circuits can be connected using the elements' string names:
circuit.connect_many([
("splitter", "out1", "wg_long", "n1"),
("splitter", "out2", "wg_short", "n1"),
("recombiner", "in1", "wg_long", "n2"),
("recombiner", "in2", "wg_short", "n2"),
])
circuit.elements["splitter"].pins["in1"] = "input"
circuit.elements["recombiner"].pins["out1"] = "output"
return circuit
if __name__ == "__main__":
import matplotlib.pyplot as plt
c = mzi()
sweep_simulation(c)
plt.show()
def add_gc_te(circuit, gc=siepic.ebeam_gc_te1550):
""" add input and output gratings
Args:
circuit: needs to have `input` and `output` pins
gc: grating coupler
"""
c = Subcircuit(f"{circuit}_gc")
gc = pp.call_if_func(gc)
c.add([(gc, "gci"), (gc, "gco"), (circuit, "circuit")])
c.connect_many(
[("gci", "n1", "circuit", "input"), ("gco", "n1", "circuit", "output")]
)
# c.elements["circuit"].pins["input"] = "input_circuit"
# c.elements["circuit"].pins["output"] = "output_circuit"
c.elements["gci"].pins["n2"] = "input"
c.elements["gco"].pins["n2"] = "output"
return c
if __name__ == "__main__":
import matplotlib.pyplot as plt
from ubc.cm.mzi import mzi
c1 = mzi()
c2 = add_gc_te(c1)
sweep_simulation(c2)
plt.show()