Venghaus, H.H.VenghausWeinert, C.M.C.M.Weinert2022-03-092022-03-091993https://publica.fraunhofer.de/handle/publica/321903A new design concept for a rib waveguide based polarization independent Mach-Zehnder interferometer is presented, and a device in the GaInAsP/InP material system is simulated combining a two-dimensional finite difference calculation with a coupled mode formalism.enfinite difference methodsgallium arsenidegallium compoundsiii-v semiconductorsindium compoundsintegrated opticslight interferometerslight polarisationoptical waveguide theoryiii-v-semiconductorsdesign conceptrib waveguide basedpolarization independent mach-zehnder interferometermaterial systemfinite difference calculationcoupled mode formalismGaInAsP-InP621conference paper