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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1320–1322

Four-photon interference with asymmetric beam splitters

B. H. Liu, F. W. Sun, Y. X. Gong, Y. F. Huang, G. C. Guo, and Z. Y. Ou  »View Author Affiliations

Optics Letters, Vol. 32, Issue 10, pp. 1320-1322 (2007)

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Two experiments of four-photon interference are performed with two pairs of photons from parametric downconversion with the help of asymmetric beam splitters. The first experiment is a generalization of the Hong–Ou–Mandel interference effect to two pairs of photons while the second one utilizes this effect to demonstrate a four-photon de Broglie wavelength of λ 4 by projection measurement.

© 2007 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(260.3160) Physical optics : Interference
(270.0270) Quantum optics : Quantum optics
(270.4180) Quantum optics : Multiphoton processes

ToC Category:
Quantum Optics

Original Manuscript: November 28, 2006
Manuscript Accepted: January 29, 2007
Published: April 17, 2007

B. H. Liu, F. W. Sun, Y. X. Gong, Y. F. Huang, G. C. Guo, and Z. Y. Ou, "Four-photon interference with asymmetric beam splitters," Opt. Lett. 32, 1320-1322 (2007)

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