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Proceedings Paper

Nonlocal dispersion cancellation using entangled photons
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Paper Abstract

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.

Paper Details

Date Published: 26 August 2009
PDF: 6 pages
Proc. SPIE 7465, Quantum Communications and Quantum Imaging VII, 74650H (26 August 2009); doi: 10.1117/12.828032
Show Author Affiliations
So-Young Baek, Pohang Univ. of Science and Technology (Korea, Republic of)
Young-Wook Cho, Pohang Univ. of Science and Technology (Korea, Republic of)
Yoon-Ho Kim, Pohang Univ. of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7465:
Quantum Communications and Quantum Imaging VII
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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