Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm

Danish Rafique, Marco Mussolin, Marco Forzati, Jonas Mårtensson, Mohsan N. Chugtai, Andrew D. Ellis

Research output: Contribution to journalArticle

Abstract

We investigate a digital back-propagation simplification method to enable computationally-efficient digital nonlinearity compensation for a coherently-detected 112 Gb/s polarization multiplexed quadrature phase shifted keying transmission over a 1,600 km link (20x80km) with no inline compensation. Through numerical simulation, we report up to 80% reduction in required back-propagation steps to perform nonlinear compensation, in comparison to the standard back-propagation algorithm. This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach, and optimization of the position of nonlinear compensator stage to enable practical digital back-propagation.
Original languageEnglish
Pages (from-to)9453-9460
Number of pages8
JournalOptics Express
Volume19
Issue number10
DOIs
Publication statusPublished - 9 May 2011

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impairment
fibers
keying
compensators
simplification
quadratures
nonlinearity
optimization
polarization
simulation

Bibliographical note

© 2011 OSA
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OE.19.009453. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

Rafique, Danish ; Mussolin, Marco ; Forzati, Marco ; Mårtensson, Jonas ; Chugtai, Mohsan N. ; Ellis, Andrew D. / Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm. In: Optics Express. 2011 ; Vol. 19, No. 10. pp. 9453-9460.
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Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm. / Rafique, Danish; Mussolin, Marco; Forzati, Marco; Mårtensson, Jonas; Chugtai, Mohsan N.; Ellis, Andrew D.

In: Optics Express, Vol. 19, No. 10, 09.05.2011, p. 9453-9460.

Research output: Contribution to journalArticle

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