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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 21 — Oct. 21, 2002
  • pp: 1222–1226

Four–photon interferometry for secure quantum key distribution

P. Hariharan and Barry C. Sanders  »View Author Affiliations

Optics Express, Vol. 10, Issue 21, pp. 1222-1226 (2002)

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We introduce a quantum key distribution scheme based on four-photon coincidence measurements. This scheme offers a much higher degree of security than current quantum key distribution methods and minimizes problems due to photon losses and dark counts.

© 2002 Optical Society of America

OCIS Codes
(270.4180) Quantum optics : Multiphoton processes
(270.5290) Quantum optics : Photon statistics

ToC Category:
Research Papers

Original Manuscript: August 15, 2002
Revised Manuscript: October 16, 2002
Published: October 21, 2002

P. Hariharan and Barry Sanders, "Four-photon interferometry for secure quantum key distribution," Opt. Express 10, 1222-1226 (2002)

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