Quasi real-time 230-Gbit/s coherent transmission field trial over 820 km SSMF using 57.5-Gbaud dual-polarization QPSK

Tianhua Xu,Jing Li,Anders Djupsjobacka,Richard Schatz,Gunnar Jacobsen,Sergei Popov

Asia Communications and Photonics Conference, ACP 2013; Beijing; China; 12 November 2013 through 15 November 2013（2013）

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摘要

We demonstrate 230-Gbit/s (57.5-Gbaud) polarization-multiplexed QPSK coherent transmission over 820 km field-installed SSMF with quasi real-time DSP, without resorting to ETDM. BER performance well below FEC error-free threshold (2×10^-3) at 2^31-1 PRBS length was achieved.

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