Galili, M.M.GaliliSchmidt-Langhorst, C.C.Schmidt-LanghorstLudwig, R.R.LudwigFutami, F.F.FutamiWatanabe, S.S.WatanabeSchubert, C.C.Schubert2022-03-102022-03-102007https://publica.fraunhofer.de/handle/publica/35575510.1109/OFC.2007.4348685All-optical combination of a DPSK and an OOK data signal to 160 Gbit/s DQPSK is proposed and demonstrated using highly nonlinear fiber. Error-free operation of the combiner is shown mid-span in a 320 km transmission link.en621conference paper