Authors

E. F. Mateo; F. Yaman;G. F. Li

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

ELECTRONIC POSTCOMPENSATION; IMPAIRMENT COMPENSATION; COMMUNICATIONS-SYSTEMS; CHROMATIC DISPERSION; FIBER NONLINEARITY; OFDM; XPM; Optics

Abstract

An advanced split-step method is employed for the digital backward-propagation (DBP) method using the coupled nonlinear Schrodinger equations for the compensation of inter-channel nonlinearities. Compared to the conventional DBP, cross-phase modulation (XPM) can be efficiently compensated by including the effect of the inter-channel walk-off in the nonlinear step of the split-step method (SSM). While self-phase modulation (SPM) compensation is inefficient in WDM systems, XPM compensation is able to increase the transmission reach by a factor of 2.5 for 16-QAM-modulated signals. The advanced SSM significantly relaxes the step size requirements resulting in a factor of 4 reduction in computational load.

Journal Title

Optics Express

Volume

18

Issue/Number

14

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

15144

Last Page

15154

WOS Identifier

WOS:000279639900085

ISSN

1094-4087

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