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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper CMZ4
  • https://doi.org/10.1364/CLEO.2009.CMZ4

Pilot Decision-Aided Maximum Likelihood Phase Estimation in Coherent Optical QPSK and 8PSK Systems with Nonlinear Phase Noise

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Abstract

We propose pilot decision-aided maximum likelihood phase estimation for nonlinear-phase-noise-dominant coherent optical phase-shift-keying (PSK) systems. The receiver sensitivity is shown to be improved by ~1dB compared to the differentially encoded PSK counterparts.

© 2009 Optical Society of America

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