Transmission of 5×62 Gbit/s DWDM coherent OFDM with a spectral efficiency of 7.2 bit/s/Hz using Joint 64-QAM and 16-QAM modulation

Nolle, M.,Molle, L.,Gross, D.-D.,Freund, Ronald

OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference（2010）

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摘要

Transmission of 5 Ã 62 Gbit/s polarization multiplexed coherent OFDM is demonstrated over 80 km SSMF. Using 64-QAM and 16-QAM simultaneously allows reducing the channel spacing and makes a net spectral efficiency of 7.2 bit/s/Hz possible.

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关键词

ofdm modulation,optical modulation,quadrature amplitude modulation,wavelength division multiplexing,16-qam modulation,dwdm coherent ofdm,channel spacing,distance 80 km,joint 64-qam modulation,net spectral efficiency,polarization multiplexed coherent ofdm,spectral efficiency,bandwidth,ofdm,optical interferometry,optical filters,bit error rate,modulation

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