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    3× 485-Gb/s WDM Transmission over 4800 km of ULAF and 12× 100-GHz WSSs Using CO-OFDM and Single Coherent Detection with 80-GS/s ADCs

3× 485-Gb/s WDM Transmission over 4800 km of ULAF and 12× 100-GHz WSSs Using CO-OFDM and Single Coherent Detection with 80-GS/s ADCs

06 March 2011

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We demonstrate WDM transmission of three 485-Gb/s CO-OFDM channels with 16-QAM subcarrier-modulation, each received by a single coherent detection using four 80GS/s 32.5-GHz-bandwidth ADCs. Transmission over 48 100-km ULAF spans and 12 wavelength-selective-switches with 4-b/s/Hz net spectral efficiency is achieved. ©2011 Optical Society of America OCIS: (060.1660) Coherent communications; (060.5060) Phase modulation; (060.2330) Fiber optics communication.

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