Fully-Parallel Soft-Decision Cycle Slip Recovery
Toshiaki Koike–Akino, Tsuyoshi Yoshida, Kieran Parsons, David S. Millar, Keisuke Kojima, Milutin Pajovic · Optical Fiber Communication Conference · 2017
We propose a parallel cycle slip recovery method employing soft-decision slip-state estimation at pilots. Through mutual information analysis, we show that the proposed method achieves 0.6 dB gain in the presence of frequent cycle slips and strong phase noise.