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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. 29, Iss. 2 — Feb. 1, 2012
  • pp: 257–261

Robust and scalable scheme to generate multipartite atom–photon and atom–atom entangled W states by interference

Hong-Fu Wang, Shou Zhang, X. X. Yi, Xin Ji, and Kyu-Hwang Yeon  »View Author Affiliations


JOSA B, Vol. 29, Issue 2, pp. 257-261 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000257


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Abstract

A robust and scalable scheme for generating atom–photon and atom–atom entangled W states is proposed by using the interference effect of the polarized photons leaking out of the spatially separated cavities. Each of the atoms is trapped separately in a remote optical cavity, and the possible spontaneous channels induced by the excited atoms lead to the coherent superposition between atoms and photon, which is an important step toward long-distance and long-range quantum networking with individual atoms. The scalability is ensured in the sense that an arbitrarily large multiqubit atom–photon and atom–atom entangled W state can be generated with certain success probabilities.

© 2012 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: September 6, 2011
Manuscript Accepted: October 28, 2011
Published: January 27, 2012

Citation
Hong-Fu Wang, Shou Zhang, X. X. Yi, Xin Ji, and Kyu-Hwang Yeon, "Robust and scalable scheme to generate multipartite atom–photon and atom–atom entangled W states by interference," J. Opt. Soc. Am. B 29, 257-261 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-2-257

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