Schmidt-Langhorst, C.C.Schmidt-LanghorstSchubert, C.C.SchubertBoerner, C.C.BoernerMarembert, V.V.MarembertFerber, S.S.FerberLudwig, R.R.LudwigWeber, H.G.H.G.Weber2022-03-102022-03-102005https://publica.fraunhofer.de/handle/publica/349352Measurements of eye diagrams of 320 Gbit/s DPSK signals after 160 km transmission are reported using an optical sampling system with clock recovery and 1.0 ps resolution, which accepts amplitude or phase modulated data signals and allows measurements with large persistence time.en621conference paper