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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 19241–19252

Nonlocal Dispersion Cancellation using Entangled Photons

So-Young Baek, Young-Wook Cho, and Yoon-Ho Kim  »View Author Affiliations

Optics Express, Vol. 17, Issue 21, pp. 19241-19252 (2009)

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A pair of optical pulses traveling through two dispersive media will become broadened and, as a result, the degree of coincidence between the optical pulses will be reduced. For a pair of entangled photons, however, nonlocal dispersion cancellation in which the dispersion experienced by one photon cancels the dispersion experienced by the other photon is possible. In this paper, we report an experimental demonstration of nonlocal dispersion cancellation using entangled photons. The degree of two-photon coincidence is shown to increase beyond the limit attainable without entanglement. Our results have important applications in fiber-based quantum communication and quantum metrology.

© 2009 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(270.5565) Quantum optics : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: August 31, 2009
Revised Manuscript: September 21, 2009
Manuscript Accepted: September 30, 2009
Published: October 8, 2009

Virtual Issues
October 8, 2009 Spotlight on Optics

So-Young Baek, Young-Wook Cho, and Yoon-Ho Kim, "Nonlocal dispersion cancellation using entangled photons," Opt. Express 17, 19241-19252 (2009)

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