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

Susanne Pielawa, Giovanna Morigi, David Vitali, Luiz Davidovich

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112 Citations (Scopus)

Abstract

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. © 2007 The American Physical Society.
Original languageEnglish
Article number240401
JournalPhysical review letters
Volume98
DOIs
Publication statusPublished - 12 Jun 2007

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