Entanglement-based quantum key distribution without an entangled-photon source

K. Inoue; C. Santori; E. Waks; Y. Yamamoto

doi:10.1103/PhysRevA.67.062319

Entanglement-based quantum key distribution without an entangled-photon source

K. Inoue, C. Santori, E. Waks, and Y. Yamamoto

Phys. Rev. A 67, 062319 – Published 30 June 2003

Abstract

A quantum key distribution scheme is described, in which a time (or phase) entangled-photon pair posteriorly generated by a single-photon source and a simple beam splitter. This scheme offers an efficient entanglement-based quantum key distribution system superior to the system using a standard parametric down-converter.

Received 16 July 2002

DOI:https://doi.org/10.1103/PhysRevA.67.062319

Authors & Affiliations

K. Inoue¹, C. Santori², E. Waks², and Y. Yamamoto^1,2

¹NTT Basic Research Laboratories, NTT Corporation, Atsugi-shi, 243-0198, Japan
²Quantum Entanglement Project, ICORP, JST, E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305-4085, USA

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Vol. 67, Iss. 6 — June 2003

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