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Conferences > ECEOC > 2012 > Tu.3.C > Tu.3.C.2

Digital Coherent Superposition for Performance Improvement of Spatially Multiplexed 676-Gb/s OFDM-16QAM Superchannels

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

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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 (14x76.8km) transmission over a seven-core-fiber with an effective aggregate spectral efficiency of 23.7 b/s/Hz.

© 2012 Optical Society of America

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