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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
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: |
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| 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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