Generation of Einstein-Podolsky-Rosen-entangled radiation through an atomic reservoir

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Generation of Einstein-Podolsky-Rosen-entangled radiation through an atomic reservoir
Pielawa, Susanne (Universitat Autònoma de Barcelona. Departament de Física)
Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física)
Vitali, David (Università di Camerino. Dipartimento di Fisica)
Davidovich, L. (Universidade Federal do Rio de Janeiro. Instituto de Física)
American Physical Society

Fecha:	2007
Resumen:	We propose a scheme for generating two-mode squeezing in high-Q resonators using a beam of atoms with random arrival times, which acts as a reservoir for the field. The scheme is based on four-wave mixing processes leading to emission into two cavity modes, which are resonant with the Rabi sidebands of the atomic dipole transition, driven by a saturating classical field. At steady state the cavity modes are in an Einstein-Podolsky-Rosen state, whose degree of entanglement is controlled by the intensity and the frequency of the transverse field. This scheme is robust against stochastic fluctuations in the atomic beam, does not require atomic detection nor velocity selection, and can be realized by presently available experimental setups with microwave resonators.
Derechos:	Tots els drets reservats.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Publicado en:	Physical review letters, Vol. 98, Issue 24 (June 2007) , p. 240401-1-24040-4, ISSN 1079-7114

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