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Span length and information rate optimisation in optical transmission systems using single-channel digital backpropagation
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Karanov, Boris, Xu, Tianhua, Shevchenko, Nikita A., Lavery, Domaniç, Killey, Robert I. and Bayvel, Polina (2017) Span length and information rate optimisation in optical transmission systems using single-channel digital backpropagation. Optics Express, 25 (21). pp. 25353-25362. doi:10.1364/OE.25.025353
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Official URL: http://dx.doi.org/10.1364/OE.25.025353
Abstract
The optimisation of span length when designing optical communication systems is important from both performance and cost perspectives. In this paper, the optimisation of inter-amplifier spacing and the potential increase of span length at fixed information rates in optical communication systems with practically feasible nonlinearity compensation schemes have been investigated. It is found that in DP-16QAM, DP-64QAM and DP-256QAM systems with practical transceiver noise limitations, single-channel digital backpropagation can allow a 50% reduction in the number of amplifiers without sacrificing information rates compared to systems with optimal span lengths and linear compensation.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||
| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Optical fiber communication -- Design and construction, Optical fibers | |||||||||
| Journal or Publication Title: | Optics Express | |||||||||
| Publisher: | Optical Society of America | |||||||||
| ISSN: | 1094-4087 | |||||||||
| Official Date: | 2017 | |||||||||
| Dates: |
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| Volume: | 25 | |||||||||
| Number: | 21 | |||||||||
| Page Range: | pp. 25353-25362 | |||||||||
| DOI: | 10.1364/OE.25.025353 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Marie Skłodowska-Curie Actions | |||||||||
| Grant number: | EP/J017582/1 (EPSRC), 676448/H2020-MSCA-ITN-2015 (MSCA) | |||||||||
| RIOXX Funder/Project Grant: |
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