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Use of discrete modulation and a continuous wave local oscillator in a 24 km continuous variable quantum key distribution system

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Abstract

We implement an experimental continuous variable quantum key distribution system over 24 km of optical fiber that uses discrete signaling and a continuous wave local oscillator. A secure key rate of 3.45 kb/s was achieved.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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