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Space-division multiplexed transmission in the S-band over 55 km few-mode fibers

Rademacher, G; Puttnam, BJ; Luis, RS; Galdino, L; Maruyama, R; Aikawa, K; Awaji, Y; (2020) Space-division multiplexed transmission in the S-band over 55 km few-mode fibers. Optics Express , 28 (18) , Article 27037. 10.1364/oe.399791. Green open access

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Abstract

Transmission of highly spectral efficient 24.5 GBaud quadrature phase shift keying and 16- and 64-quadrature amplitude modulated signals in the S-band between 1492 nm and 1518 nm wavelength is demonstrated over 55 km few-mode fibers. The carrier lines for S-band transmission were generated by a single wideband optical comb source with more than 120 nm optical bandwidth. While the three-mode fiber was originally optimized for C- and L-band transmission, we show that differential mode delay and mode-dependent loss show only a minor wavelength dependence within the measured S-band channels. However, the transceiver sub-system, including S-band optical amplifiers as well as a reduced optical signal-to-noise ratio of the comb source, leads to a significant Q-factor penalty for channels towards the edges of the S-band optical amplifiers below 1495 nm and above 1515 nm wavelength.

Type: Article
Title: Space-division multiplexed transmission in the S-band over 55 km few-mode fibers
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/oe.399791
Publisher version: http://dx.doi.org/10.1364/oe.399791
Language: English
Additional information: Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
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/10110352
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