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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 6 — Mar. 15, 2008
  • pp: 593–595

Fiber-based source of photon pairs at telecom band with high temporal coherence and brightness for quantum information processing

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

Optics Letters, Vol. 33, Issue 6, pp. 593-595 (2008)

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We experimentally demonstrate a bright pulsed source of correlated photon pairs at the 1550 nm telecom band by pumping 300 m dispersion-shifted fiber with a 4 ps pulse train. We investigate the coherence property of the source by measuring the second-order intensity correlation function g ( 2 ) of individual signal (idler) photons. A preliminary Hong–Ou–Mandel-type two-photon interference experiment with two such sources confirms the high temporal and spatial coherence of the source. The source is suitable for multiphoton quantum interference of independent sources, which is required in quantum information processing.

© 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: December 13, 2007
Manuscript Accepted: January 24, 2008
Published: March 14, 2008

Xiaoying Li, Lei Yang, Liang Cui, Zhe Yu Ou, and Daoyin Yu, "Fiber-based source of photon pairs at telecom band with high temporal coherence and brightness for quantum information processing," Opt. Lett. 33, 593-595 (2008)

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