Mitigation of Transmitter Impairment with 4×2 WL MIMO Equalizer Embedding Preliminary CPR

Transmitter impairment mitigation for 58-GBaud PM-64QAM with 4×2 WL MIMO embedding preliminary CPR was demonstrated over 100 km SSMF. Q-penalties of 0.1 dB with 14 ps IQ skew and 10 degree phase error were achieved. © 2021 The Author(s)