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Título : Electromagnetically induced cross focusing in a four-level atomic medium
Autor : Becerra-Castro, E. M.
de Araujo, Luís E. E.
Palabras clave : Atomic Physics
Molecular Physics
Fecha de publicación : 5-jul-2016
Editorial : The Optical Society
Citación : Becerra-Castro, E. M., & de Araujo, L. E. (2016). Electromagnetically induced cross focusing in a four-level atomic medium. JOSA B, 33(8), 1574-1579.
Resumen : We describe cross focusing in a four-level atomic medium under electromagnetically induced transparency. We show that due to the giant Kerr nonlinearity experienced by the atoms, cross focusing between weak signal and probe fields (both fields with intensities below line saturation level) is possible. By applying different intensity masks to the signal field, different lenses (cylindrical, Fresnel, Gaussian) can be induced in the atomic sample. Focusing of the probe beam is analyzed in terms of the excitation parameters (signal Rabi frequency and detuning, as well as optical depth of the atomic medium).
URI : http://repositorio.usil.edu.pe/handle/123456789/1764
http://dx.doi.org/10.1364/JOSAB.33.001574
ISSN : 0740-3224
Aparece en las colecciones: Artículos Académico-científicos

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