Kroh, M.M.KrohFerber, S.S.FerberSchmidt-Langhorst, C.C.Schmidt-LanghorstMarembert, V.V.MarembertSchubert, C.C.SchubertLudwig, R.R.LudwigWeber, H.G.H.G.Weber2022-03-102022-03-102006https://publica.fraunhofer.de/handle/publica/35275610.1109/OFC.2006.2156602-s2.0-33845352141A transmitter capable of producing 400 fs phase coherent pulses is reported. The feasibility is shown in an OTDM transmission experiment of a single-polarization 640 Gbit/s DPSK signal over 2×80 km in a single wavelength channel.endifferential phase shift keyingoptical modulationoptical pulse generationoptical transmitters621conference paper