Perturbation-Assisted DBP for Nonlinear Compensation in Polarization Multiplexed Systems

We investigate an improved digital back propagation (DBP) method based on a multi-stage perturbation theory to compensate for nonlinear impairments in fiber optic links. In the standard DBP, the nonlinear operation only calculates the phase shift based on the power of the current signal sample. In t...

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Vydané v:	IEEE photonics technology letters Ročník 29; číslo 21; s. 1812 - 1815
Hlavní autori:	Xiaojun Liang, Downie, John D., Hurley, Jason E.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	IEEE 01.11.2017
Predmet:	Coherent optical communications digital back propagation nonlinear compensation Nonlinear distortion Optical distortion Optical mixing Optical polarization perturbation theory Q-factor
ISSN:	1041-1135, 1941-0174
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