Soft Coded Modulation for Sensitivity Enhancement of Coherent 100-Gbit/s Transmission Systems

Henning Bülow; Tobias Rankl

doi:10.1364/NFOEC.2009.JThA46

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper JThA46
•https://doi.org/10.1364/NFOEC.2009.JThA46

Soft Coded Modulation for Sensitivity Enhancement of Coherent 100-Gbit/s Transmission Systems

Henning Bülow and Tobias Rankl

National Fiber Optic Engineers Conference 2009

San Diego, California United States
22–26 March 2009
ISBN: 978-1-55752-865-0

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Poster Session II (JThA)

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H. Bülow and T. Rankl, "Soft Coded Modulation for Sensitivity Enhancement of Coherent 100-Gbit/s Transmission Systems," in Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper JThA46.

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Abstract

Soft-decoding of a PDM-QPSK signal with 34%-FEC overhead – enabled by a symbol rate increase from 28 to 35 Gbaud – leads to 10.7-dB OSNR sensitivity. Soft-decoding is not effective for POL-QAM 6-4 modulation.

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