Nonlinear penalty reduction induced by PMD in 112 Gbit/s WDM PDM-QPSK coherent systems

@article{Serena2009NonlinearPR,
  title={Nonlinear penalty reduction induced by PMD in 112 Gbit/s WDM PDM-QPSK coherent systems},
  author={Paolo Serena and Nicola Rossi and Alberto Bononi},
  journal={2009 35th European Conference on Optical Communication},
  year={2009},
  pages={1-2}
}
We show by simulation that when linear PMD is fully compensated by the receiver, the presence of DGD along the link reduces the amount of residual nonlinear penalty in 112 Gbit/s PDM-QPSK coherent systems.