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Journal article

Novel coherent optical OFDM-based transponder for optical slot switched networks

From

Bell Labs1

Department of Photonics Engineering, Technical University of Denmark2

Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark3

Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark4

We report a novel coherent optical OFDM transponder approach capable of recovering microsecond-scale data-burst while adapting to tight filtering constraints present in optical slot switched intradatacenter networks. Filtering effects in such large node-count environments are reviewed. The CO-OFDM performance is experimentally investigated while crossing a long cascade containing up to 100 nodes.

The results are compared to the typical Nyquist pulse-shaped approach. CO-OFDM signaling shows 40% extended reach, 50 Gb/s higher gross average rate, and >4 GHz extra detuning tolerance than Nyquist pulse-shaped signals.

Language: English
Publisher: IEEE
Year: 2016
Pages: 1851-1858
ISSN: 15582213 and 07338724
Types: Journal article
DOI: 10.1109/JLT.2016.2515508
ORCIDs: Tafur Monroy, Idelfonso and Zibar, Darko

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