3.2.6.9. A_FMM.Layer.coupling

Layer.coupling(u: ndarray, up: ndarray) → tuple

EXPERIMENTAL: Calculates coupling between two modes given their modal exapnsion

Parameters:

• u (TYPE) – Modal coefficient of first mode.

• up (TYPE) – Modal coefficient of second mode.

Returns:

[tx, tx]: floats. Coupling in x and y polarization.

Return type:

list