Abstract:Nonlinear impairments introduced by optical/electrical components in coherent transceivers (CO-TRx) and optical fiber are the primary bottleneck for enhancing optical transmission capacity. As most nonlinearity equalizers (NLEs) are training data-driven, they can provide significant gain under high-quality training signals but only a weak gain under poor ones. This limitation becomes noteworthy for high-speed transmission systems characterized by high-baud rate and high-order modulation formats resulting in si… Show more
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