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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 14 — Jul. 5, 2010
  • pp: 15144–15154

Efficient compensation of inter-channel nonlinear effects via digital backward propagation in WDM optical transmission

Eduardo F. Mateo, Fatih Yaman, and Guifang Li  »View Author Affiliations


Optics Express, Vol. 18, Issue 14, pp. 15144-15154 (2010)
http://dx.doi.org/10.1364/OE.18.015144


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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.

© 2010 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(190.4370) Nonlinear optics : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 23, 2010
Revised Manuscript: June 5, 2010
Manuscript Accepted: June 28, 2010
Published: June 30, 2010

Citation
Eduardo F. Mateo, Fatih Yaman, and Guifang Li, "Efficient compensation of inter-channel nonlinear effects via digital backward propagation in WDM optical transmission," Opt. Express 18, 15144-15154 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-14-15144


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