Matiss, A.A.MatissNölle, M.M.NölleFischer, J.K.J.K.FischerLeonhardt, C.C.C.C.LeonhardtLudwig, R.R.LudwigHilt, J.J.HiltMolle, L.L.MolleSchmidt-Langhorst, C.C.Schmidt-LanghorstSchubert, C.C.Schubert2022-03-112022-03-112011https://publica.fraunhofer.de/handle/publica/373147An integrated coherent receiver module based on monolithically integrated 90 hybrids and balanced waveguide pin-photodiodes is presented. Optical transmission performance is demonstrated for a 224 Gb/s PDM 16-QAM modulated signal over 250 km ULAF.en621Characterization of an integrated coherent receiver for 224 Gb/s polarization multiplexed 16-QAM transmissionconference paper