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Phys. Rev. Lett. 96, 133601 (2006) [4 pages]

Generating Controllable Atom-Light Entanglement with a Raman Atom Laser System

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S. A. Haine1, M. K. Olsen2, and J. J. Hope1
1Australian Centre for Quantum-Atom Optics, The Australian National University, Canberra, 0200, Australia
2Australian Centre for Quantum-Atom Optics, University of Queensland, Brisbane, 4072, Australia

Received 19 December 2005; published 5 April 2006

We introduce a scheme for creating continuous variable entanglement between an atomic beam and an optical field, by using squeezed light to outcouple atoms from a Bose-Einstein condensate via a Raman transition. We model the full multimode dynamics of the atom laser beam and the squeezed optical field and show that, with appropriate two-photon detuning and two-photon Rabi frequency, the transmitted light is entangled in amplitude and phase with the outcoupled atom laser beam. The degree of entanglement is controllable via changes in the two-photon Rabi frequency of the outcoupling process.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.96.133601
DOI:
10.1103/PhysRevLett.96.133601
PACS:
42.50.−p, 03.70.+k, 03.75.Pp