We report on a generalization of the eigenfunction expansion method to model the performance of multichannel optical-fiber communications systems in the presence of nonlinear phase noise. Our method is fast, accurate, and easy to implement for numerical simulations in multichannel wavelength-division multiplexed (WDM) systems. We also account for the dispersion to all orders for increased accuracy in multichannel systems.
"Nonlinear phase noise in optical communication systems using eigenfunction expansion method," Optical Engineering 50(5), 055003 (1 May 2011). https://doi.org/10.1117/1.3572132