By analyzing the interaction between the phase variations caused by the cross-phase modulation (XPM) and the chromatic dispersion, we find that the split nonlinearity compensation (NLC) method can mitigate the XPM effect in WDM systems. It is demonstrated by a transmission simulation with 11 WDM channels and 32 Gbaud 16QAM modulation, and the simulation results show that the split NLC method can provide 0.2 dB SNR improvement over the receiver-side NLC method due to the XPM mitigation.

© 2019 The Author(s)

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