Compensation of Nonlinear Fibre Impairments in Coherent Systems Employing Spectrally Efficient Modulation Formats

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概要

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• We investigate electronic mitigation of linear and nonlinear fibre impairments and compare various digital signal processing techniques, including electronic dispersion compensation (EDC), single-channel back-propagation (SC-BP) and back-propagation with multiple channel processing (MC-BP) in a nine-channel 112Gb/s PM-mQAM (m=4,16) WDM system, for reaches up to 6,320km. We show that, for a sufficiently high local dispersion, SC-BP is sufficient to provide a significant performance enhancement when compared to EDC, and is adequate to achieve BER below FEC threshold. For these conditions we report that a sampling rate of two samples per symbol is sufficient for practical SC-BP, without significant penalties.

• 2011-07-01

著者

• Ellis Andrew

  Photonic Systems Group Tyndall National Institute And Department Of Physics University College Coke

• Zhao Jian

  Photonic Systems Group Tyndall National Institute And Department Of Physics University College Coke

• RAFIQUE Danish

  Photonic Systems Group, Tyndall National Institute and Department of Electrical and Electronic Engin

• Rafique Danish

  Photonic Systems Group Tyndall National Institute And Department Of Electrical And Electronic Engine

関連論文

• Compensation of Nonlinear Fibre Impairments in Coherent Systems Employing Spectrally Efficient Modulation Formats

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