Web of Science: 11 cites, Scopus: 11 cites, Google Scholar: cites
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

Data: 2012
Resum: 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. We examine a specific configuration in which the two frequency components are able to exchange energy through a four-wave mixing process as they propagate, so the state of the incident photon is recovered periodically at certain positions in the medium. We investigate the propagation dynamics as a function of the relative phase between the coupling beams and the input single-photon frequency components. Moreover, by considering time-dependent coupling beams, we numerically simulate the storage and retrieval of a two-frequency-component single-photon qubit.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Publicat a: Physical review. A, Vol. 86, Issue 5 (November 2012) , p. 053827-1-053827-8, ISSN 1050-2947

DOI: 10.1103/PhysRevA.86.053827

8 p, 2.8 MB

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