Abstract
We report for the first time an ultra-wideband coherent (UWB) WDM transmission over a 70 km standard single mode fibre (SSMF) solely using a multistage discrete Raman amplifier (DRA) over the E-, S-, C- and L-bands of the optical window. The amplifier is based on a split-combine approach of spectral bands enabling signal amplification from 1410-1605 nm over an optical bandwidth of 195 nm (25.8 THz). The proposed amplifier was characterized with 143 channelized amplified spontaneous emission (ASE) dummy channels in the S-, C- and L-bands and 4 laser sources in the E-band (1410–1605 nm). The amplification results show an average gain of 14 dB and a maximum noise figure (NF) of 7.5 dB over the entire bandwidth. Coherent transmission with the proposed amplifier was performed using a 30 Gbaud PM-16-QAM channel coupled with the ASE channels over a 70 km SMF. The ultra-wideband transmission using the tailored multistage DRA shows transmission bandwidth of 195 nm with a maximum Q2 penalty of ∼4 dB in E- and S-band, and ∼2 dB in C- and L-band.
Original language | English |
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Pages (from-to) | 43118-43126 |
Number of pages | 9 |
Journal | Optics Express |
Volume | 30 |
Issue number | 24 |
DOIs | |
Publication status | Published - 21 Nov 2022 |
Bibliographical note
© 2022. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License https://creativecommons.org/licenses/by/4.0/. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Funding Information
Engineering and Physical Sciences Research Council (EP/M009092/1, EP/V000969/1); H2020 Marie Skłodowska-Curie Actions (814276).
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Ultra-wideband discrete Raman amplifier optimisation for single-span S-C-L-band coherent transmission systems
Tan, M. (Creator), Hazarika, P. (Creator), Forysiak, W. (Creator), Harper, P. (Creator), Donodin, A. (Creator) & Phillips, I. (Creator), Aston Data Explorer, 10 Nov 2022
DOI: 10.17036/researchdata.aston.ac.uk.00000589, https://researchdata.aston.ac.uk/id/eprint/589/
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