Exploring and Experimenting with Shaping Designs for Next-Generation Optical Communications

Fanny Jardel, Tobias A. Eriksson, Cyril Méasson +4

A class of circular 64-QAM that combines 'geometric' and 'probabilistic' shaping aspects is presented. It is compared to square 64-QAM in back-to-back, single-channel, and WDM tran…