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Conferences > ECEOC > 2012 > Mo.1.A > Mo.1.A.4

Training Symbol Based Channel Estimation for Ultrafast Polarization Demultiplexing in Coherent Single-Carrier Transmission Systems with M-QAM Constellations

Mohamed Morsy-Osman, Mathieu Chagnon, Qunbi Zhuge, Xian Xu, Mohammad E. Mousa-Pasandi, Ziad A. El-Sahn, and David V. Plant

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Abstract

We propose a training symbol based algorithm that estimates the Jones channel matrix whose entries are used as the initial center taps of a decision-directed butterfly equalizer. With fewer than 40 training symbols, we experimentally demonstrate ultrafast polarization demultiplexing for 112 Gbps PDM-QPSK and 224 Gbps PDM-16QAM systems.

© 2012 Optical Society of America

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