Schmidt-Langhorst, C.C.Schmidt-LanghorstLudwig, R.R.LudwigHu, H.H.HuSchubert, C.C.Schubert2022-03-112022-03-112009https://publica.fraunhofer.de/handle/publica/362219We present a single-channel 1-Tb/s transmission system based exclusively on semiconductor pulse sources. By using alternating polarization RZ-DQPSK modulation a record transmission length of 480-km dispersion managed fiber is achieved.en621conference paper