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Conferences > OFC > 2009 > OWG > OWG7
  • Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper OWG7
  • •https://doi.org/10.1364/OFC.2009.OWG7

Phase-noise tolerance of optical 16-QAM signals demodulated with decision-directed carrier-phase estimation

Yojiro MORI, Chao ZHANG, Koji IGARASHI, Kazuhiro KATOH, and Kazuro KIKUCHI

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Abstract

Phase-noise tolerance of 10-Gsymbol/s 16-QAM signals is investigated both theoretically and experimentally. Optimizing the decision-directed phase-locked loop for carrier-phase estimation, we can obtain acceptable BER performance when the laser linewidth is in the 100-kHz range.

© 2009 Optical Society of America

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