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Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems

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Xu, Tianhua, Shevchenko, Nikita A., Lavery, Domaniç, Semrau, Daniel, Liga, Gabriele, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2017) Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems. Optics Express, 25 (4). pp. 3311-3326. doi:10.1364/OE.25.003311

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Official URL: http://dx.doi.org/10.1364/OE.25.003311

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Abstract

The relationship between modulation format and the performance of multi-channel digital back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is investigated. It is found that the nonlinear distortions behave independent of modulation format in the case of full-field DBP, in contrast to the cases of electronic dispersion compensation and partial-bandwidth DBP. It is shown that the minimum number of steps per span required for MC-DBP depends on the chosen modulation format. For any given target information rate, there exists a possible trade-off between modulation format and back-propagated bandwidth, which could be used to reduce the computational complexity requirement of MC-DBP.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Optical fiber communication, Nonlinear optics
Journal or Publication Title: Optics Express
Publisher: Optical Society of America
ISSN: 1094-4087
Official Date: 8 February 2017
Dates:
DateEvent
8 February 2017Published
12 January 2017Accepted
Volume: 25
Number: 4
Page Range: pp. 3311-3326
DOI: 10.1364/OE.25.003311
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: Engineering and Physical Sciences Research Council (EPSRC)
Grant number: EP/J017582/1

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