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Half-cycle QAM modulation for VCSEL-based optical links

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Abstract

Novel spectrally efficient half-cycle QAM modulation is experimentally demonstrated. 10 Gbps 4-QAM signal in 7.5-GHz bandwidth was successfully transmitted over 20 km SMF using an un-cooled 1.5 µm VCSEL with no equalization applied.

© 2012 Optical Society of America

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