Unconditional Two-Mode Squeezing of Separated Atomic Ensembles

A. S. Parkins, E. Solano, and J. I. Cirac
Phys. Rev. Lett. 96, 053602 – Published 7 February 2006

Abstract

We propose schemes for the unconditional preparation of a two-mode squeezed state of effective bosonic modes realized in a pair of atomic ensembles interacting collectively with optical cavity and laser fields. The scheme uses Raman transitions between stable atomic ground states and under ideal conditions produces pure entangled states in the steady state. The scheme works both for ensembles confined within a single cavity and for ensembles confined in separate, cascaded cavities.

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  • Received 28 October 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.053602

©2006 American Physical Society

Authors & Affiliations

A. S. Parkins1,2,*, E. Solano1,3, and J. I. Cirac1

  • 1Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany
  • 2Institut für Theoretische Physik, Universität Innsbruck, and Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, A-6020 Innsbruck, Austria
  • 3Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado Postal 1761, Lima, Peru

  • *Permanent address: Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand.

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Vol. 96, Iss. 5 — 10 February 2006

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