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Distributed Generation of a 400-Gb/s Nyquist 16QAM Dense Superchannel by Fiber-Frequency Conversion

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Abstract

We generate an ultra-dense 400-Gb/s superchannel by combining four spatially distributed 28-GBd-Nyquist-16QAM-sub-carrier transmitters using optical processing in nonlinear fibers. The multiplexed sub-carriers are precisely frequency-allocated with guard bands down to 0% and achieve bit-error ratios below 3.8×10−3.

© 2014 Optical Society of America

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