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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 12019–12030

High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide

Tian Zhong, Franco N. C. Wong, Tony D. Roberts, and Philip Battle  »View Author Affiliations

Optics Express, Vol. 17, Issue 14, pp. 12019-12030 (2009)

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We demonstrate efficient generation of photon pairs at 1316 nm in a fiber-coupled type-II phase-matched Rb-indiffused waveguide in periodically poled KTiOPO4. The integrated waveguide source has a pair production rate of 2×107/s/mW in a 1.08-nm bandwidth, in good agreement with a theoretical model that takes into account the transversal momentum imparted on the phase matching function by the waveguide. We achieve a Hong-Ou-Mandel quantum-interference visibility of 98.2% after subtraction of accidental coincidences, representing the highest reported value for a waveguide-based photon-pair source.

© 2009 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.5290) Quantum optics : Photon statistics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: May 4, 2009
Revised Manuscript: June 24, 2009
Manuscript Accepted: June 25, 2009
Published: July 1, 2009

Tian Zhong, Franco N. Wong, Tony D. Roberts, and Philip Battle, "High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide," Opt. Express 17, 12019-12030 (2009)

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