Deterministic cavity-QED source of polarization-entangled photon pairs
García Maraver, Rocío (Universitat Autònoma de Barcelona. Departament de Física)
Eckert, Kai (Universitat Autònoma de Barcelona. Departament de Física)
Corbalán, Ramón (Universitat Autònoma de Barcelona. Departament de Física)
Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Date:	2006
Abstract:	We present two cavity quantum electrodynamics proposals that, sharing the same basic elements, allow for the deterministic generation of entangled photon pairs by means of a three-level atom successively coupled to two single longitudinal mode high-Q optical resonators presenting polarization degeneracy. In the faster proposal, the three-level atom yields a polarization-entangled photon pair via two truncated Rabi oscillations, whereas in the adiabatic proposal, a counterintuitive stimulated Raman adiabatic passage process is considered. Although slower than the former process, this second method is very efficient and robust under fluctuations of the experimental parameters and, particularly interesting, almost completely insensitive to atomic decay.
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Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Published in:	Physical review. A, Vol. 74, Issue 3 (September 2006) , p. 031801-1-031801-4, ISSN 1050-2947

DOI: 10.1103/PhysRevA.74.031801

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