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Span length and information rate optimisation in optical transmission systems using single- channel digital backpropagation

Karanov, BP; Xu, T; Shevchenko, M; Lavery, D; Killey, R; Bayvel, P; (2017) Span length and information rate optimisation in optical transmission systems using single- channel digital backpropagation. Optics Express , 25 (21) pp. 25353-25362. 10.1364/OE.25.025353. Green open access

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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.

Type: Article
Title: Span length and information rate optimisation in optical transmission systems using single- channel digital backpropagation
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/OE.25.025353
Publisher version: https://doi.org/10.1364/OE.25.025353
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1573646
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