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6.27 bit/s/Hz Spectral Efficiency VCSEL-based Coherent Communication over 800km of SMF

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Abstract

125.5Gbps dual-polarization QPSK coherent transmission with sub-Nyquist 6.27bit/s/Hz-spectral efficiency is demonstrated in regional flex-grid WDM scenario up to 800km of SMF. Two commercial VCSELs are used at the transmitter and as local oscillator respectively.

© 2015 Optical Society of America

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