piel.models.frequency.photonic.crossing_simple
==============================================

.. py:module:: piel.models.frequency.photonic.crossing_simple


Functions
---------

.. autoapisummary::

   piel.models.frequency.photonic.crossing_simple.crossing_simple


Module Contents
---------------

.. py:function:: crossing_simple(cross_transmission=0.9999)

   An ideal crosser functionality swaps the input of the diagonal ports with some crossing loss.

   .. code::

       o2 ----   ---- o3
              \ /
               X
              /         o1 ---    ---- o4


   :param cross_transmission: TODO

   Returns: