dual_ring_coupler

photonforge.parametric.dual_ring_coupler(*, port_spec=None, coupling_distance=None, radius=None, euler_fraction=None, coupling_length=None, technology=None, name=None, tidy3d_model_kwargs=None)

Dual ring coupling region.

Parameters:

  • port_spec (str | PortSpec | tuple) – Port specification describing waveguide cross-section. A tuple with 2 values can be used, one for each coupler side.

  • coupling_distance (float) – Distance between bus and ring waveguide centers.

  • radius (float) – Central ring radius.

  • euler_fraction (float) – Fraction of the bends that is created using an Euler spiral (see photonforge.Path.arc()). If None, defaults to 0.

  • coupling_length (float) – Length of straigh coupling region. If None, defaults to 0.

  • technology (Technology) – Component technology. If None, the default technology is used.

  • name (str) – Component name.

  • tidy3d_model_kwargs (dict[str, Any]) – Dictionary of keyword arguments passed to the component’s photonforge.Tidy3DModel.

Returns:

Coupling component.

Return type:

Component

# Racetrack coupler
component = dual_ring_coupler(
    port_spec="Strip", coupling_distance=0.6, radius=5, euler_fraction=0.5, coupling_length=2
)
dual_ring_coupler