Experimental Implementation of 1310-nm Differential Phase Shift QKD System with Up-conversion Detectors

Lijun Ma; Hai Xu; Tiejun Chang; Oliver Slattery; Xiao Tang

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper JTuA105

Experimental Implementation of 1310-nm Differential Phase Shift QKD System with Up-conversion Detectors

Lijun Ma, Hai Xu, Tiejun Chang, Oliver Slattery, and Xiao Tang

Quantum Electronics and Laser Science Conference 2008

San Jose, California United States
4–9 May 2008
ISBN: 978-1-55752-859-9

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CLEO/QELS Poster Session I (JTuA)

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L. Ma, H. Xu, T. Chang, O. Slattery, and X. Tang, "Experimental Implementation of 1310-nm Differential Phase Shift QKD System with Up-conversion Detectors," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper JTuA105.

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Abstract

We have experimentally implemented a differential phase shift quantum-key distribution system with up-conversion detectors operating at a 2.5 Gbps clock rate. A Michelson interferometer with Faraday mirrors is used to increase the system stability.

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