Optical cross-connect crosstalk analysis based on scattering matrix

A flexible crosstalk analysis method based on scattering matrix for optical cross connect(OXC) with various topology is proposed. In this method, all components in the OXC are treated as multiple ports sub-networks represented using scattering parameters (S parameters). The crosstalk can be precisely computed using measured S parameters of every components. As an example, a 4 + 4 fiber bragg grating and optical circulator (FBG-OC) based reconfigurable nonblocking OXC is studied using the method.