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ISI Compensation up to Nyquist Channel Spacing for Strongly Filtered PDM RZ-QPSK using Multi-Tap CMA

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Abstract

We experimentally demonstrate inter-symbol interference (ISI) mitigation using a multi-tap constant modulus algorithm (CMA) for strongly filtered PDM RZ-QPSK and find it to be effective up to Nyquist channel spacing after transpacific transmission distances.

© 2012 Optical Society of America

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