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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 2 — Jan. 17, 2011
  • pp: 570–583

Improved digital backward propagation for the compensation of inter-channel nonlinear effects in polarization-multiplexed WDM systems

Eduardo F. Mateo, Xiang Zhou, and Guifang Li  »View Author Affiliations

Optics Express, Vol. 19, Issue 2, pp. 570-583 (2011)

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An improved split-step method (SSM) for digital backward propagation (DBP) applicable to wavelength-division multiplexed (WDM) transmission with polarization-division multiplexing (PDM) is presented. A coupled system of nonlinear partial differential equations, derived from the Manakov equations, is used for DBP. The above system enables the implementation of DBP on a channel-by-channel basis, where only the effect of phase-mismatched four-wave mixing (FWM) is neglected. A novel formulation of the SSM for PDM-WDM systems is presented where new terms are included in the nonlinear step to account for inter-polarization mixing effects. In addition, the effect of inter-channel walk-off is included. This substantially reduces the computational load compared to the conventional SSM.

© 2011 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

Original Manuscript: November 3, 2010
Revised Manuscript: December 1, 2010
Manuscript Accepted: December 10, 2010
Published: January 4, 2011

Eduardo F. Mateo, Xiang Zhou, and Guifang Li, "Improved digital backward propagation for the compensation of inter-channel nonlinear effects in polarization-multiplexed WDM systems," Opt. Express 19, 570-583 (2011)

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