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Conferences > OFC > 2014 > W3B > W3B.4

Non-Data-Aided Feedforward Timing Recovery for Flexible Transceivers Employing PDM-MQAM Modulations

Mohamed Morsy-Osman, Mathieu Chagnon, Qunbi Zhuge, Xian Xu, and David V. Plant

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Abstract

A blind feedforward timing estimator using 2 samples/symbol that is modulation format transparent is modified for PDM signals. When used for interpolator control, sampling frequency offsets up to 5000 ppm are corrected experimentally for PDM-QPSK, -16QAM and -64QAM.

© 2014 Optical Society of America

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