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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1392–1394

High-quality fiber-optic polarization entanglement distribution at 1.3 μ m telecom wavelength

Tian Zhong, Xiaolong Hu, Franco N.C. Wong, Karl K. Berggren, Tony D. Roberts, and Philip Battle  »View Author Affiliations

Optics Letters, Vol. 35, Issue 9, pp. 1392-1394 (2010)

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We demonstrate high-quality distribution of 1.3 μ m polarization-entangled photons generated from a fiber-coupled periodically poled K Ti O P O 4 waveguide over 200 m fiber-optic cables. Time-multiplexed measurements with a 19% efficient superconducting nanowire single-photon detector at the remote location show a detected flux of 5.8  pairs s at a pump power of 25 μ W and an average two-photon quantum-interference visibility of 97.7% without subtraction of accidentals.

© 2010 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(060.5565) Fiber optics and optical communications : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: January 6, 2010
Revised Manuscript: March 11, 2010
Manuscript Accepted: March 15, 2010
Published: April 26, 2010

Tian Zhong, Xiaolong Hu, Franco N. C. Wong, Karl K. Berggren, Tony D. Roberts, and Philip Battle, "High-quality fiber-optic polarization entanglement distribution at 1.3 μm telecom wavelength," Opt. Lett. 35, 1392-1394 (2010)

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