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Enhanced Dynamic Equalization Performance of a 112 Gb/s PM-QPSK Coherent Receiver by Gain Adaptation in CMA

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The CMA in 112 Gb/s PM-QPSK coherent receivers has a relatively slow convergence speed. This paper proposes and experimentally demonstrates a simple gain adaptation method that improves the convergence of a receiver dynamic equalizer.

© 2011 Optical Society of America

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