Abstract
We propose to improve DSP for coherent-signal recovery with distributed multi-stage machine-learning algorithms. Experiments demonstrate more-than-3-dB and 1-dB improvements in OSNR sensitivities for 40-GBd and 60-GBd DP-64QAM at BER thresholds of 4.5×10−3 and 1.6×10-2 respectively.
© 2019 The Author(s)
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