Single Photon Quantum Key Distribution with Continuous Variables

Lijian Zhang; Ian A. Walmsley; Christine Silberhorn

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
Technical Digest (CD) (Optica Publishing Group, 2006),
paper QMA2

Single Photon Quantum Key Distribution with Continuous Variables

Lijian Zhang, Ian A. Walmsley, and Christine Silberhorn

Quantum Electronics and Laser Science Conference 2006

Long Beach, California United States
21–26 May 2006
ISBN: 1-55752-813-6

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Quantum Key Distribution (QMA)

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L. Zhang, I. A. Walmsley, and C. Silberhorn, "Single Photon Quantum Key Distribution with Continuous Variables," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optica Publishing Group, 2006), paper QMA2.

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Abstract

We propose a quantum key distribution scheme using the spatial properties of the entangled photon pairs generated from parametric downconversion. The security of this scheme is guaranteed by the distributed entanglement.

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