def test_ebeam_dc_halfring_straight(self):
d1 = siepic.ebeam_dc_halfring_straight(
gap=30e-9, radius=3e-6, width=520e-9, thickness=210e-9
)
d2 = ebeam.ebeam_dc_halfring_te1550()
s1 = d1.s_parameters(f)
s2 = np.transpose(d2.s_parameters(f), (0, 2, 1))
assert np.allclose(s1, s2)
assert isinstance(
pins,
(tuple, set, list)), f"pins {pins} need to be a tuple, set or list"
for pin in pins:
assert pin in c.pins, f"{pin} not in {c.pins}"
for i, pin in enumerate(c.pins):
if pin in pins:
plt.plot(wavelengths * 1e9,
function(s[:, i, 0]),
label=label or pin)
plt.xlabel("wavelength (nm)")
if function == magnitude_square_per_cent:
plt.ylabel("S (%)")
elif function == logscale:
plt.ylabel("S (dB)")
if __name__ == "__main__":
from simphony.library import siepic
wavelengths = np.linspace(1520, 1570, 1024) * 1e-9
coupler = siepic.ebeam_dc_halfring_straight(gap=200e-9,
radius=10e-6,
width=500e-9,
thickness=220e-9,
couple_length=0.0)
plot_sparameters(coupler, wavelengths)
plt.legend()
plt.show()