Spectral efficiency enhancement using coherent WDM with multi-level offset-QAM

J. Zhao, A. D. Ellis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We propose offset-QAM based CoWDM, and show that the proposed system outperforms no-guard-interval optical OFDM and Nyquist WDM and enables the use of offset 4-, 16-, and 64-QAM with the performance approaching the theoretical limits.

Original languageEnglish
Title of host publicationEuropean Conference and Exposition on Optical Communications, ECOC 2011
PublisherOptical Society of America
ISBN (Print)9781557529312
Publication statusPublished - 1 Dec 2011
EventEuropean Conference and Exposition on Optical Communications, ECOC 2011 - Geneva, Switzerland
Duration: 18 Sep 201122 Sep 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceEuropean Conference and Exposition on Optical Communications, ECOC 2011
CountrySwitzerland
CityGeneva
Period18/09/1122/09/11

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Cite this

Zhao, J., & Ellis, A. D. (2011). Spectral efficiency enhancement using coherent WDM with multi-level offset-QAM. In European Conference and Exposition on Optical Communications, ECOC 2011 (Optics InfoBase Conference Papers). Optical Society of America.