APS » PROLA » Phys. Rev. A » Volume 67 » Issue 6

Phys. Rev. A 67, 062319 (2003) [4 pages]

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

Download: PDF (54 kB) or Buy this Article (Use Article Pack) Export: BibTeX or EndNote (RIS)

K. Inoue1, C. Santori2, E. Waks2, and Y. Yamamoto1,2
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

Received 16 July 2002; published 30 June 2003

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.


©2003 The American Physical Society

URL: http://link.aps.org/abstract/PRA/v67/e062319
DOI: 10.1103/PhysRevA.67.062319
PACS: 03.67.Dd, 42.50.Dv

[ Abstract  |  Previous article  |  Next article  |  Issue 6 ]