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Performance Evaluation of Coherent PS-QPSK (HEXA) Modulation

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Abstract

We investigate the performance of the 8-point four-dimensional PS-QPSK (HEXA) modulation format in uncompensated WDM long-haul optical transmission systems, comparing it to standard 16-point PM-QPSK and 4-point PM-BPSK constellations.

© 2011 Optical Society of America

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