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Conferences > OFC > 2014 > Th4F > Th4F.4

Over 2000-km Transmission of 60-Gbaud PDM-QPSK Signal with Heterodyne Detection and SE of 4b/s/Hz

Xinying Li, Junwen Zhang, Fan Li, and Jiangnan Xiao

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Abstract

We experimentally demonstrate 8×240-Gb/s WDM-PDM-QPSK signal transmission on 50-GHz grid over 5×420-km SMF-28 with 4-b/s/Hz net SE adopting simplified heterodyne detection and 9QAM-like procession. 9QAM-like procession is more efficient than digital-post-filtering for this heterodyne system.

© 2014 Optical Society of America

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