Experimental Demonstration of Pilot-Symbols-Aided Cycle Slip Mitigation for QPSK Modulation Format

Haiquan Cheng; Yan Li; Miao Yu; Jizhao Zang; Jian Wu; Jintong Lin

doi:10.1364/OFC.2014.Th4D.1

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper Th4D.1
•https://doi.org/10.1364/OFC.2014.Th4D.1

Experimental Demonstration of Pilot-Symbols-Aided Cycle Slip Mitigation for QPSK Modulation Format

Haiquan Cheng, Yan Li, Miao Yu, Jizhao Zang, Jian Wu, and Jintong Lin

Optical Fiber Communication Conference 2014

San Francisco, California United States
9–13 March 2014
ISBN: 978-1-55752-993-0

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DSP Algorithms II (Th4D)

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H. Cheng, Y. Li, M. Yu, J. Zang, J. Wu, and J. Lin, "Experimental Demonstration of Pilot-Symbols-Aided Cycle Slip Mitigation for QPSK Modulation Format," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper Th4D.1.

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Abstract

A pilot-symbols-aided phase unwrapping is proposed to do cycle-slip mitigations with fourth-power CPE. Experiments for 28 Gbaud SP-QPSK achieve 13 dB ROSNR at 1×10⁻³ with 1.56% overhead and 2 MHz combined linewidth without differential coding.

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