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Accurate Blind Chromatic Dispersion Estimation in Long-haul 112Gbit/s PM-QPSK WDM Coherent Systems

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Abstract

Chromatic dispersion can vary due to optical network reconfigurations and hence blind estimators are desired. We propose an improved CD estimation method evaluated experimentally exhibiting good estimation accuracy and robustness to optical filtering and noise.

© 2012 Optical Society of America

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