Published articles

Published articles 3 records found  Search took 0.01 seconds. 
1.
9 p, 219.2 KB Ultrashort pulse control of space-dependent excitations in a three-level system / Loiko, Yu. (Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear) ; Serrat, C. (Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear) ; Vilaseca, Ramon (Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear) ; Ahufinger, Verònica (Universitat Autònoma de Barcelona. Departament de Física) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Corbalán, R. (Ramón) (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
Coherent control of regions with spatial excitation of populations and coherence between two lower states in three-level Λ-type quantum systems mediated by the self-induced transparency (SIT) phenomenon is theoretically investigated with one- and two-color ultrashort pulses and with pulse sequences beyond the slowly varying envelope (SVEA) and rotating wave (RWA) approximations. [...]
2007 - 10.1103/PhysRevA.75.023801
Physical review. A, Vol. 75, Issue 2 (February 2007) , p. 023801-1-023801-9  
2.
4 p, 121.2 KB Two-photon and electromagnetically-induced-transparency-assisted Doppler cooling in a three-level cascade system / Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; Arimondo, Ennio (NIST. Laser Cooling and Trapping Group (Gaithersburg, Estats Units d'Amèrica)) ; American Physical Society
Laser cooling is theoretically investigated in a cascade three-level scheme, where the excited state of a laser-driven transition is coupled by a second laser to a top, more stable level, as for alkaline-earth-metal atoms. [...]
2007 - 10.1103/PhysRevA.75.051404
Physical review. A, Vol. 75, Issue 5 (May 2007) , p. 051404-1-051404-04  
3.
14 p, 1.3 MB Phase-dependent light propagation in atomic vapors / Kajari-Schröder, Sarah (University of Ulm. Institut für Quantenphysik) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; Franke-Arnold, Sonja (University of Glasgow. Department of Physics) ; Oppo, Gian-Luca (University of Strathclyde. Department of Physics) ; American Physical Society
Light propagation in an atomic medium whose coupled energy levels form a ◊-configuration exhibits a critical dependence on the input conditions. Depending on the relative phase of the input light fields, the response of the medium can be dramatically modified and switch from opaque to semitransparent. [...]
2007 - 10.1103/PhysRevA.75.013816
Physical review. A, Vol. 75, Issue 1 (January 2007) , p. 013816-1-013816-14  

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