Resultados globales: 4 registros encontrados en 0.01 segundos.
Artículos, Encontrados 4 registros
Artículos Encontrados 4 registros  
1.
5 p, 858.8 KB Manipulating frequency-bin entangled states in cold atoms / Zavatta, Alessandro (Istituto Nazionale di Ottica) ; Artoni, Maurizio (Istituto Nazionale di Ottica) ; Viscor, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; La Rocca, G. (Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia)
Optical manipulation of entanglement harnessing the frequency degree of freedom is important for encoding of quantum information. We here devise a phase-resonant excitation mechanism of an atomic interface where full control of a narrowband single-photon two-mode frequency entangled state can be efficiently achieved. [...]
2014 - 10.1038/srep03941
Scientific reports, Vol. 4 (Feb. 2014)  
2.
8 p, 100.4 KB 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
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. [...]
2004 - 10.1103/PhysRevA.70.032317
Physical review. A, Vol. 70, Issue 3 (September 2004) , p. 032317-1-032317-8  
3.
6 p, 89.7 KB Cavity QED quantum phase gates for a single longitudinal mode of the intracavity field / García Maraver, Rocío (Universitat Autònoma de Barcelona. Departament de Física) ; Corbalán, R. (Ramón) (Universitat Autònoma de Barcelona. Departament de Física) ; Eckert, Kai (University of Hannover. Institut of Theoretical Physics) ; Rebic, S. (Università di Camerino. Dipartimento di Fisica) ; Artoni, Maurizio (European Laboratory for Non-Linear Spectroscopy (Sesto Fiorentino, Itàlia)) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
A single three-level atom driven by a longitudinal mode of a high-Q cavity is used to implement two-qubit quantum phase gates for the intracavity field. The two qubits are associated with the zero- and one-photon Fock states of each of the two opposite circular polarization states of the field. [...]
2004 - 10.1103/PhysRevA.70.062324
Physical review. A, Vol. 70, Issue 6 (December 2004) , p. 062324-1-062324-6  
4.
8 p, 2.8 MB Two-color quantum memory in double-Λ media / Viscor, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Ahufinger, Verònica (Universitat Autònoma de Barcelona. Departament de Física) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Zavatta, Alessandro (European Laboratory for Nonlinear Spectroscopy (Florència, Itàlia)) ; La Rocca, Giuseppe (Scuola Normale Superiore (Pisa, Itàlia)) ; Artoni, Maurizio (Brescia University. Department of Physics and Chemistry of Materials) ; American Physical Society
We propose a quantum memory for a single-photon wave packet in a superposition of two different colors, i. e. , two different frequency components, using the electromagnetically induced transparency technique in a double-Λ system. [...]
2012 - 10.1103/PhysRevA.86.053827
Physical review. A, Vol. 86, Issue 5 (November 2012) , p. 053827-1-053827-8  

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