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Scopus: 23 cites, Web of Science: 25 cites,
Coherent generation of EPR-entangled light pulses mediated by a single trapped atom
Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física)
Eschner, Jürgen (Institut de Ciencies Fotòniques (Castelldefels, Catalunya))
Mancini, Stefano (Università di Camerino. Dipartimento di Fisica)
Vitali, David (Università di Camerino. Dipartimento di Fisica)
American Physical Society

Data: 2006
Resum: We show that a single, trapped, laser-driven atom in a high-finesse optical cavity allows for the quantum-coherent generation of entangled light pulses on demand. We report the detailed description of schemes for generating simultaneous and temporally separated pulse pairs, presented in [G. Morigi et al. , Phys. Rev. Lett. , 96, 023601 (2006)]. The mechanical effect of the laser excitation on the quantum motion of the cold trapped atom mediates the entangling interaction between two cavity modes and between the two subsequent pulses, respectively. The entanglement is of EPR-type, and its degree can be controlled through external parameters. At the end of the generation process the atom is decorrelated from the light field. Possible experimental implementations of the proposals are discussed.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Publicat a: Physical review. A, Vol. 73, Issue 3 (March 2006) , p. 033822-1-033822-11, ISSN 1050-2947

DOI: 10.1103/PhysRevA.73.033822

11 p, 255.7 KB

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