Source code for gdsfactory.components.cavity
from __future__ import annotations
import gdsfactory as gf
from gdsfactory import cell
from gdsfactory.component import Component
from gdsfactory.components.dbr import dbr
from gdsfactory.typings import ComponentSpec
[docs]
@cell
def cavity(
component: ComponentSpec = "dbr",
coupler: ComponentSpec = "coupler",
length: float = 0.1,
gap: float = 0.2,
**kwargs,
) -> Component:
r"""Returns cavity from a coupler and a mirror.
connects the W0 port of the mirror to E1 and W1 coupler ports
creating a resonant cavity
Args:
component: mirror.
coupler: coupler library.
length: coupler length.
gap: coupler gap.
kwargs: coupler_settings.
.. code::
ml (mirror left) mr (mirror right)
| |
|o1 - o2__ __o3 - o1|
| \ / |
\ /
---=========---
o1 o1 length o4 o2
"""
mirror = gf.get_component(component)
coupler = gf.get_component(coupler, length=length, gap=gap, **kwargs)
c = gf.Component()
cr = c << coupler
ml = c << mirror
mr = c << mirror
ml.connect("o1", other=cr.ports["o2"])
mr.connect("o1", other=cr.ports["o3"])
c.add_port("o1", port=cr.ports["o1"])
c.add_port("o2", port=cr.ports["o4"])
c.copy_child_info(mirror)
return c
if __name__ == "__main__":
from gdsfactory.components.dbr import dbr
c = cavity(component=dbr())
c.show()