[TuB1] Long-Haul Transmission Systems

[TuB1-4] Optimization of Probabilistically Shaped MQAM for Maximized System Gains

〇Olga Vassilieva, Inwoong Kim, Tadashi Ikeuchi (Fujitsu Laboratories of America, Inc., USA)

Keywords:Transmission and Propagation, Advanced modulation and demodulation

We identified that the optimum order m for probabilistically shaped QAM systems is m+2 for wide variety of AIRs and distances. These findings are based on limitations in shaping gain, fiber nonlinearity and DSP complexity.