Kato, T.T.KatoWatanabe, S.S.WatanabeTanimura, T.T.TanimuraElschner, R.R.ElschnerSchmidt-Langhorst, C.C.Schmidt-LanghorstSchubert, C.C.SchubertHoshida, T.T.Hoshida2022-03-142022-03-142018https://publica.fraunhofer.de/handle/publica/40378510.1364/OFC.2018.M3E.32-s2.0-850500255532-s2.0-85047146705We propose a nonlinear fiber-based optical frequency shifter using two CW pumps orthogonally polarized to signals and demonstrate THz-range error-free frequency shifting of 1.6-Tb/s DP-16QAM WDM signal without guard-band midway through 160 km transmission.en621conference paper