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Experimental analysis of pilot-based equalization for probabilistically shaped WDM systems with 256QAM/1024QAM

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Abstract

Pilot based equalization is studied in a 5×10 GBaud WDM transmission experiment. The equalization is independent of the modulation format and is demonstrated for 256/1024QAM with uniform and probabilistically optimized distribution using an optimized pilot insertion rate of 2–5%.

© 2017 Optical Society of America

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