def spiral_tm(wg_width=0.5, length=2):
""" sample of component cutback """
c = spiral_inner_io_euler(wg_width=wg_width, length=length, dx=10, dy=10, N=5)
cc = add_gratings_and_loop_back(
component=c,
grating_coupler=pp.c.grating_coupler_elliptical_tm,
bend_factory=pp.c.bend_circular,
)
return cc
def spiral_te(wg_width=0.5, length=2):
""" sample of component cutback
Args:
wg_width: um
lenght: mm
"""
c = spiral_inner_io_euler(wg_width=wg_width, length=length)
cc = add_gratings_and_loop_back(
component=c,
grating_coupler=pp.c.grating_coupler_elliptical_te,
bend_factory=pp.c.bend_circular,
)
return cc