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Performance of Modified Decision-Directed Polarization Control/Demultiplex Algorithm in Coherent QAM Receiver

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Abstract

A modified decision-directed polarization control and demultiplex algorithm for coherent receivers is evaluated for QAM schemes up to order 256, and compared against the constant-modulus algorithm adapted for QAM and differential phase compensation.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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