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Conferences > ECOC > 2011 > Mo.2.A > Mo.2.A.6

Experimental Comparison of 32- and 64-QAM Constellation Shapes on a Coherent PDM Burst Mode Capable System

Roman Dischler

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Abstract

By introduction of an OFDM-based, data independent synchronization symbol, we implement a burst mode capable coherent transmission system. Experimental comparison of differently shaped 32-/64-QAM-constellations show a benefit up to 3 dB in OSNR-sensitivity for circular patterns.

© 2011 Optical Society of America

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