Experimental Comparison of Gains in Achievable Information Rates from Probabilistic Shaping and Digital Backpropagation for DP-256QAM/1024QAM WDM

Edson P. da Silva,Metodi P. Yankov,Francesco Da Ros,Soren Forchhammer,Michael Galili,Leif K. Oxenlowe,Darko Zibar

european conference on optical communication（2016）

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摘要

Gains in achievable information rates from probabilistic shaping and digital backpropagation are compared for WDM transmission of 5 x 10 GBd DP-256QAM/1024QAM up to 1700 km of reach. The combination of both techniques its shown to provide gains of up to 0.5 bits/QAM symbol.

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