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Conferences > ECOC > 2011 > Tu.5.A > Tu.5.A.1

Highly-Sensitive Coherent Optical Detection of M-ary Frequency-Shift Keying Signal

Kazuro Kikuchi and Masayuki Osaki

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Abstract

We demonstrate 256-ary frequency-shift keying modulation with digital coherent detection, aiming at applications to space communications. The receiver sensitivity as high as 3.5 photons per bit is obtained at the bit-error rate of 10−3.

© 2011 Optical Society of America

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