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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 8 — Aug. 1, 2011
  • pp: 1899–1904

Bright three-color continuous-variable entanglement generated by a cascaded sum-frequency process in an optical cavity

Youbin Yu and Huaijun Wang  »View Author Affiliations


JOSA B, Vol. 28, Issue 8, pp. 1899-1904 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001899


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Abstract

Bright three-color continuous-variable (CV) entanglement generated by a cascaded sum-frequency process in an optical cavity is investigated. The second- and fourth-harmonic beams can be generated by two quasi-phase-matched cascaded sum-frequency processes in a quasi-periodic optical superlattice. Quantum correlations among the fundamental and second- and fourth-harmonic beams are calculated and discussed by applying a sufficient and necessary inseparability criterion for CV three-mode entanglement. Strong three-color CV entanglement beams with a double frequency interval can be produced in this simple system. It is experimentally feasible and may be very useful for applications in quantum communication and computation networks.

© 2011 Optical Society of America

OCIS Codes
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(190.4223) Nonlinear optics : Nonlinear wave mixing
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: January 24, 2011
Revised Manuscript: June 20, 2011
Manuscript Accepted: June 20, 2011
Published: July 14, 2011

Citation
Youbin Yu and Huaijun Wang, "Bright three-color continuous-variable entanglement generated by a cascaded sum-frequency process in an optical cavity," J. Opt. Soc. Am. B 28, 1899-1904 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-8-1899

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