Impact of dispersion map management on the performance of back-propagation for nonlinear WDM transmissions
We investigate the dependence of digital back-propagation on dispersion map and the number of back-propagated channels for a 112Gb/s/channel PM-mQAM (m=4,16) WDM link. With the optimum dispersion map, single-channel back-propagation approaches the maximum spectral efficiency.
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