Results overview: Found 6 records in 0.02 seconds.
Articles, 4 records found
Research literature, 2 records found
Articles 4 records found  
1.
5 p, 858.8 KB Manipulating frequency-bin entangled states in cold atoms / Zavatta, A. (Istituto Nazionale di Ottica) ; Artoni, M. (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, 406.5 KB Quantum-state storage and processing for polarization qubits in an inhomogeneously broadened Λ-type three-level medium / Viscor, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Ferraro, Alessandro (Universitat Autònoma de Barcelona. Departament de Física) ; Loiko, Yury (National Academy of Sciences of Belarus. Institute of Physics) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Ahufinger, Verònica (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We address the propagation of a single-photon pulse with two polarization components, i. e. , a polarization qubit, in an inhomogeneously broadened “phaseonium” Λ-type three-level medium. We combine some of the nontrivial propagation effects characteristic for this kind of coherently prepared systems and the controlled reversible inhomogeneous broadening technique to propose several quantum information-processing applications, such as a protocol for polarization qubit filtering and sieving as well as a tunable polarization beam splitter. [...]
2011 - 10.1103/PhysRevA.84.042314
Physical review. A, Vol. 84, Issue 4 (October 2011) , p. 042314-1-042314-8  
3.
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  
4.
7 p, 396.1 KB Single-site addressing of ultracold atoms beyond the diffraction limit via position-dependent adiabatic passage / Viscor, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Rubio López, Juan Luis (Universitat Autònoma de Barcelona. Departament de Física) ; Birkl, Gerhard (Universität Darmstadt. Institut für Angewandte Physik, Technische) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Ahufinger, Verònica (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We propose a single-site addressing implementation based on the subwavelength localization via adiabatic passage (SLAP) technique. We consider a sample of ultracold neutral atoms loaded into a two-dimensional optical lattice with one atom per site. [...]
2012 - 10.1103/PhysRevA.86.063409
Physical review. A, Vol. 86, Issue 6 (December 2012) , p. 063409-1-063409-7  

Research literature 2 records found  
1.
168 p, 4.6 MB From quantum memories to single-site addressing with three-level atoms / Viscor, Daniel ; Ahufinger, Verònica, dir. (Universitat Autònoma de Barcelona. Departament de Física) ; Mompart Penina, Jordi, dir. (Universitat Autònoma de Barcelona. Departament de Física) ; Universitat Autònoma de Barcelona. Departament de Física
El camp de la informació quàntica, que sorgeix de la combinació entre la teoria de la informació i la física quàntica, ha experimentat un enorme progrés durant les darreres dècades, donant lloc a avenços revolucionaris en una àmplia varietat de camps interdisciplinaris, com ara la computació quàntica, la comunicació quàntica, els mesuraments d'alta precisió, i l'estudi fonamental de la teoria quàntica. [...]
Quantum information science, which emerges from the combination of information theory and quantum physics, has experienced an enormous progress during the last decades, leading to revolutionary advances in a wide range of interdisciplinary fields, such as quantum computation, quantum communication, high precision measurements, and fundamental quantum science. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2013  
2.
77 p, 765.2 KB Doppler broadened two-level laser with local field corrections / Viscor, Daniel ; Mompart Penina, Jordi, dir. (Universitat Autònoma de Barcelona. Departament de Física) ; Ahufinger, Verònica, dir. (Universitat Autònoma de Barcelona. Departament de Física) ; Universitat Autònoma de Barcelona. Facultat de Ciències
2008  

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