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14 papers
Ultralow-power local laser control of the dimer density in alkali-metal vapors through photodesorption
Pankaj K. Jha, Konstantin E. Dorfman, Zhenhuan Yi +6
Ultralow-power diode-laser radiation is employed to induce photodesorption of cesium from a partially transparent thin-film cesium adsorbate on a solid surface. Using resonant Rama…
Electromagnetically induced transparency controlled by a microwave field
Hebin Li, Vladimir A. Sautenkov, Yuri V. Rostovtsev +3
We have experimentally studied propagation of two optical fields in a dense rubidium (Rb) vapor in the case when an additional microwave field is coupled to the hyperfine levels of…
Optical imaging beyond the diffraction limit via dark states
Hebin Li, Vladimir A. Sautenkov, Michael M. Kash +5
We study the possibility of creating spatial patterns having subwavelength size by using the so-called dark states formed by the interaction between atoms and optical fields. These…
Spectral Narrowing via Quantum Coherence
Eugeniy E. Mikhailov, Vladimir A. Sautenkov, Yuri V. Rostovtsev +4
We have studied the transmission of an optically thick Rb vapor that is illuminated by monochromatic and noise broaden laser fields in Lambda configuration. The spectral width of t…
Nonlinear magneto-optical effects in Ba vapor
Irina Novikova, Alexander Khanbekyan, David Sarkisyan +1
We report the first measurements of linear and nonlinear magneto-optical polarization rotation on an intercombination transition of Ba vapor (lambda= 791.1nm). We observe a maximum…
Large negative and positive delay of optical pulses in coherently prepared dense Rb vapor with buffer gas
Eugeniy E. Mikhailov, Vladimir A. Sautenkov, Irina Novikova +1
We experimentally study the group time delay for a light pulse propagating through hot Rb vapor in the presence of a strong coupling field in a configuration. We demonstrate th…