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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 17 — Aug. 18, 2008
  • pp: 12505–12510

Observation of quantum interference between a single-photon state and a thermal state generated in optical fibers

Xiaoying Li, Lei Yang, Liang Cui, Zhe Yu Ou, and Daoyin Yu  »View Author Affiliations

Optics Express, Vol. 16, Issue 17, pp. 12505-12510 (2008)

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We experimentally demonstrate a Hong-Ou-Mandel type of two-photon interference effect with a heralded single-photon state and a thermal state. The light sources in the 1550 nm telecom band are generated from two independent dispersion-shifted fibers via four-wave mixing process. The observed visibility is (82±11)%. This type of interference between independent sources is crucial in quantum information process with independent qubits.

© 2008 Optical Society of America

OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics

ToC Category:
Quantum Optics

Original Manuscript: June 9, 2008
Revised Manuscript: July 18, 2008
Manuscript Accepted: July 23, 2008
Published: August 4, 2008

Xiaoying Li, Lei Yang, Liang Cui, Zhe Yu Ou, and Daoyin Yu, "Observation of quantum interference between a single-photon state and a thermal state generated in optical fibers," Opt. Express 16, 12505-12510 (2008)

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