Entanglement of a Photon and an Optical Lattice Spin Wave

Y. O. Dudin, S. D. Jenkins, R. Zhao, D. N. Matsukevich, A. Kuzmich, and T. A. B. Kennedy
Phys. Rev. Lett. 103, 020505 – Published 10 July 2009

Abstract

We propose and implement a scheme to produce long-lived entanglement between a signal field and a magnetically insensitive collective excitation in an atomic cloud cooled in a one-dimensional optical lattice. After a programmable storage time, we convert the spin-wave excitation into an idler field, and demonstrate violation of Bell’s inequality for storage times in excess of 3 ms.

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  • Received 1 April 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.020505

©2009 American Physical Society

Authors & Affiliations

Y. O. Dudin1, S. D. Jenkins1, R. Zhao1, D. N. Matsukevich2, A. Kuzmich1, and T. A. B. Kennedy1

  • 1School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430
  • 2Department of Physics, University of Maryland, College Park, Maryland 20742

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Vol. 103, Iss. 2 — 10 July 2009

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