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Ultra-High-Spectral-Efficiency Transmission

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Abstract

We discuss the generation, transmission, and coherent detection of 14-Gbaud polarization-division multiplexed, 16-ary quadrature-amplitude-modulation (16-QAM) signals (112-Gb/s line rate). We attain 630-km and 1020-km wavelength-division-multiplexed transmission with spectral efficiencies of 6.2 b/s/Hz and 4.1 b/s/Hz, respectively.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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