Digital coherent superposition for performance improvement of spatially multiplexed 676-Gb/s OFDM-16QAM superchannels

2012 38th European Conference and Exhibition on Optical Communications Pub Date : 2012-09-16 DOI:10.1364/ECEOC.2012.TU.3.C.2

X. Liu, S. Chandrasekhar, A. Gnauck, P. Winzer, S. Randel, S. Corteselli, B. Zhu, T. Taunay, M. Fishteyn

引用次数: 2

Abstract

We demonstrate the use of digital coherent superposition to improve the performance of space-division-multiplexed (SDM) 676-Gb/s OFDM-16QAM superchannels, achieving ~4 dB improvement in OSNR by using two SDM copies and 1075-km (14×76.8km) transmission over a seven-core-fiber with an effective aggregate spectral efficiency of 23.7 b/s/Hz.

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用于提高空间复用676-Gb/s OFDM-16QAM超级信道性能的数字相干叠加

我们演示了使用数字相干叠加来提高空分复用(SDM) 676 gb /s OFDM-16QAM超级信道的性能，通过使用两个SDM副本和在七芯光纤上以23.7 b/s/Hz的有效聚合频谱效率传输1075公里(14×76.8km)， OSNR提高了~4 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2012 38th European Conference and Exhibition on Optical Communications

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