21 October 1998 Peculiarities of electromagnetically induced transparency in Rb vapor due to Zeeman coherence in the same hyperfine level
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Proceedings Volume 3485, 11th International Vavilov Conference on Nonlinear Optics; (1998) https://doi.org/10.1117/12.328234
Event: Eleventh International Vavilov Conference on Nonlinear Optics, 1997, Novosibirsk, Russian Federation
Abstract
We have studied sub-natural-width resonances (SNWR) observed in the absorption and fluorescence of Rb vapor under excitation by two copropagating optical waves with variable frequency offset. The mutually coherent optical fields resonantly couple the same ground-state hyperfine level to an excited state. The sub-natural-width resonances present opposite signs depending on which ground-state hyperfine level (GSHL) participates in the interaction with the light. The influence of external magnetic field, polarization and intensity of applied optical fields on the sub-natural-width resonances is examined. The narrowest observed resonance has a width of 10 kHz (FWHM). It is shown that the SNWR obey the selection rules corresponding to two photon transitions starting and ending at Zeeman sublevels on the same GSHL. The application of the observed SNWRs to magnetometers based on the effect of coherent population trapping is considered.
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A. M. Akulshin, A. M. Akulshin, Sergio Barreiro, Sergio Barreiro, Arturo Lezama, Arturo Lezama, } "Peculiarities of electromagnetically induced transparency in Rb vapor due to Zeeman coherence in the same hyperfine level", Proc. SPIE 3485, 11th International Vavilov Conference on Nonlinear Optics, (21 October 1998); doi: 10.1117/12.328234; https://doi.org/10.1117/12.328234
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