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40Gbit/s Coherent Optical Receiver Using a Costas Loop

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Abstract

For the first time, a highly integrated coherent optical receiver is demonstrated using a homodyne OPLL as a Costas loop. The OPLL shows 1.1GHz loop bandwidth, 120ps effective loop delay, and 10×10mm2 compact size of chip integration. The receiver exhibits 40Gbit/s BPSK reception with no latency.

© 2012 Optical Society of America

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