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Experimental comparison of fiber optic parametric, Raman and erbium amplifiers for burst traffic for extended reach PONs

Gaur, CB; Ferreira, F; Ferreira, F; Gordienko, V; Ribeiro, V; Szabó, RD; Doran, NJ; (2020) Experimental comparison of fiber optic parametric, Raman and erbium amplifiers for burst traffic for extended reach PONs. Optics Express , 28 (13) pp. 19362-19373. 10.1364/OE.394379. Green open access

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Abstract

We experimentally compare the performance of a polarization-independent fiber optic parametric amplifier (FOPA), a discrete Raman amplifier and a commercial erbium doped fiber amplifier (EDFA) for burst traffic amplification in extended reach passive optical networks (PON). We demonstrate that EDFA and Raman amplifiers suffer from severe transient effects, causing penalty on receiver sensitivity >5 dB for traffic bursts of 10 Gbps on-off keying signal shorter than 10 µs. On the other hand, we demonstrate that FOPA does not introduce a penalty on receiver sensitivity when amplifying signal bursts as short as 5 µs as compared to a non-burst signal. Therefore, FOPA used as a drop-in replacement for an EDFA or Raman amplifier allows us to improve receiver sensitivity by >3 dB for short signal bursts. We conclude that FOPA allows substantially increased power budget for an extended reach PON transmitting variable duration bursts. In addition, we identify the maximum burst duration tolerated by each examined amplifier.

Type: Article
Title: Experimental comparison of fiber optic parametric, Raman and erbium amplifiers for burst traffic for extended reach PONs
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/OE.394379
Publisher version: https://doi.org/10.1364/OE.394379
Language: English
Additional information: © The Optical Society. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL
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/10106391
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