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Conferences > CLEO_SI > 2015 > SW1M > SW1M.2

Multi-Gigabit Coherent Communications Using Low-Rate FEC to Approach the Shannon Capacity Limit

David J. Geisler, Venkat Chandar, Timothy M. Yarnall, Mark L. Stevens, and Scott A. Hamilton

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Abstract

Combining a rate-¼ forward error-correcting code, a coherent receiver, and an optical phase-locked loop yields near error-free performance with 2-dB photon-per-bit sensitivity, which is <3-dB from the Shannon limit for a rate-¼, pre-amplified, coherent receiver.

© 2015 Optical Society of America

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