On Optimal Modulation and FEC Overhead for Future Optical Networks

Alex Alvarado; David J. Ives; Seb J. Savory; Polina Bayvel

doi:10.1364/OFC.2015.Th3E.1

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper Th3E.1
•https://doi.org/10.1364/OFC.2015.Th3E.1

On Optimal Modulation and FEC Overhead for Future Optical Networks

Alex Alvarado, David J. Ives, Seb J. Savory, and Polina Bayvel

Optical Fiber Communication Conference 2015

Los Angeles, California United States
22–26 March 2015
ISBN: 978-1-55752-937-4

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Forward Error Correction Codes (Th3E)

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A. Alvarado, D. J. Ives, S. J. Savory, and P. Bayvel, "On Optimal Modulation and FEC Overhead for Future Optical Networks," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper Th3E.1.

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Abstract

Transceivers employing square PM-QAM with up to two FEC overheads are optimized based on the SNR distribution. For NSFNET two FEC overheads with PM-16QAM give an 82% throughput increase compared with PM-QPSK with 7% overhead.

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