Nonlinearity Mitigation of PDM-16QAM Signals Using Multiple CSI-OPCs in Ultra-Long-Haul Transmission without Excess Penalty.
Takeshi UmekiTakayuki KobayashiAkihide SanoTakuya IkutaMasashi AbeTakushi KazamaKoji EnbutsuRyoichi KasaharaYutaka MiyamotoPublished in: IEICE Trans. Commun. (2020)