Coupled two-core integrated waveguides modal analysis

Abstract We present a modal analysis of coupled two-core integrated waveguides fabricated by femtosecond laser writing as function the core-to-core distance, illuminating position and input light wavelength. In order to do that we use correlation filter method, implementing computer generated holograms in phase-only spatial modulator. Due waveguide symmetry, prove it is not necessary encode complex amplitude device long cores are strongly coupled. A comparison between experimental numerical weights presented, showing simple match filters allow decomposition output beams.