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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. 27, Iss. 6 — Jun. 1, 2010
  • pp: A11–A20

Tripartite entanglement generation via four-wave mixings: narrowband triphoton W state

Jianming Wen, Eun Oh, and Shengwang Du  »View Author Affiliations


JOSA B, Vol. 27, Issue 6, pp. A11-A20 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000A11


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Abstract

We propose a method to generate a narrowband triphoton W state entangled in time (or energy) via two four-wave mixing processes in cold atomic gas media. The calculation of such a triphoton W state is performed with second-order perturbation theory. To characterize the optical properties of the state, we analyze the two-photon and three-photon temporal correlations in the photon coincidence counting measurement. Considering the role of determining the time coherence of triphotons between the nonlinear susceptibilities and phase matchings, we concentrate on two regimes, damped Rabi oscillation and group delay, to look at the temporal correlations. To further enhance the nonlinear interactions, it may be promising to consider cold atoms confined within hollow fibers or loaded into a high-Q cavity.

© 2010 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics

ToC Category:
Entanglement in Photonic Systems

History
Original Manuscript: August 3, 2009
Revised Manuscript: December 13, 2009
Manuscript Accepted: December 19, 2009
Published: February 9, 2010

Citation
Jianming Wen, Eun Oh, and Shengwang Du, "Tripartite entanglement generation via four-wave mixings: narrowband triphoton W state," J. Opt. Soc. Am. B 27, A11-A20 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-6-A11

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