Silicon-on-insulator 90º optical hybrid using 4x4 waveguide couplers with C-band operation

Voigt, K.K.VoigtZimmermann, L.L.ZimmermannWinzer, G.G.WinzerPetermann, K.K.PetermannWeinert, C.M.C.M.Weinert2022-03-102022-03-102008https://publica.fraunhofer.de/handle/publica/36020210.1109/ECOC.2008.4729213We demonstrate simulation and experimental results of 4 times 4 multimode interference (MMI) couplers in a silicon-on-insulator rib waveguide technology that enable compact integrated optical 90deg-hybrid devices with operation across the C-band.en621Silicon-on-insulator 90º optical hybrid using 4x4 waveguide couplers with C-band operationconference paper