400 Gbit/s frequency-division-multiplexed and polarization-multiplexed 256 QAM-OFDM transmission over 400 km with a spectral efficiency of 14 bit/s/Hz

Omiya, T.,Toyoda, K.,Yoshida, M., Nakazawa, M.

Optical Fiber Communication Conference and Exposition（2012）

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摘要

We demonstrate a 400-Gbit/s frequency-division-multiplexed and polarization-multiplexed OFDM transmission over 400 km (5×80 km SSMF) with 256 QAM subcarrier modulation using an optical PLL. A record spectral efficiency of 14 bit/s/Hz was successfully achieved.

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关键词

ofdm modulation,optical fibre communication,optical phase locked loops,quadrature amplitude modulation,256 qam subcarrier modulation,256 qam-ofdm transmission,ssmf,bit rate 400 gbit/s,distance 400 km,distance 80 km,frequency division multiplexing,optical pll,polarization multiplexed ofdm transmission,spectral efficiency,standard single mode fiber,optical amplifiers,ofdm,stimulated emission,optical filters

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