Demonstration of 42.7 Gbit/s NRZ-OOK WDM Transmission with 0.8 bit/s/Hz Spectral Efficiency Using a Multichannel Optical Equalizer

01 January 2006

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We demonstrated for the first time an OOK-NRZ 42.7 Gbit/s WDM system with 0.8 bit/s/Hz spectral efficiency without polarization multiplexing using a single multichannel optical equalizer and optical filters designed for 10 Gb/s WDM systems.