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Polarization phase gate with a tripod atomic system
Rebic, S. (Università di Camerino. Dipartimento di Fisica)
Vitali, David (Università di Camerino. Dipartimento di Fisica)
Ottaviani, Carlo (Università di Camerino. Dipartimento di Fisica)
Tombesi, P. (Università di Camerino. Dipartimento di Fisica)
Artoni, Maurizio (European Laboratory for Non-Linear Spectroscopy (Sesto Fiorentino, Itàlia))
Cataliotti, F. (European Laboratory for Non-Linear Spectroscopy (Sesto Fiorentino, Itàlia))
Corbalán, R. (Ramón) (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Date: 2004
Abstract: We analyze the nonlinear optical response of a four-level atomic system driven into a tripod configuration. The large cross-Kerr nonlinearities that occur in such a system are shown to produce nonlinear phase shifts of order π. Such a substantial shift may be observed in a cold atomic gas in a magneto-optical trap where it could be feasibly exploited towards the realization of a polarization quantum phase gate. The experimental feasibility of such a gate is here examined in detail.
Rights: Tots els drets reservats.
Language: Anglès
Document: Article ; recerca ; Versió publicada
Published in: Physical review. A, Vol. 70, Issue 3 (September 2004) , p. 032317-1-032317-8, ISSN 1050-2947

DOI: 10.1103/PhysRevA.70.032317


8 p, 100.4 KB

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Articles > Research articles
Articles > Published articles

 Record created 2014-02-12, last modified 2023-03-02



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