26 February 2013 Display of nonadiabacity in electromagnetically induced transparency
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Proceedings Volume 8699, Saratov Fall Meeting 2012: Optical Technologies in Biophysics and Medicine XIV; and Laser Physics and Photonics XIV; 869913 (2013) https://doi.org/10.1117/12.2018768
Event: Saratov Fall Meeting and Workshop on Laser Physics and Photonics 2012, 2012, Saratov, Russian Federation
Abstract
The numerical simulation results of the nonadiabacity display in electromagnetically induced transparency are presented. The Λ scheme of degenerate and inhomogeneous quantum transitions J = 0 → J = 1 → J = 2 is examined for the cases of slow and abrupt rises in the leading edge of the input probe radiation pulse. For circularly polarized radiations, it has been shown that the deviation from the condition of adiabatic sequence can lead to a separation of the probe pulse of the adiabaton into a train of subpulses. In the case of linear polarization of the input probe field and the circular polarization of the input control field, the probe radiation pulse is split into two pulses with opposite circular polarizations and a multispike structure of the envelopes. If an abrupt rise of the leading edge of the input probe pulse takes place the precursor pulse arises at a probe radiation frequency and the velocity of its propagation coincides with the speed of light in vacuum.
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Nikita O. Gavrilets, Nikita O. Gavrilets, Ekaterina R. Govorenko, Ekaterina R. Govorenko, Oleg M. Parshkov, Oleg M. Parshkov, } "Display of nonadiabacity in electromagnetically induced transparency", Proc. SPIE 8699, Saratov Fall Meeting 2012: Optical Technologies in Biophysics and Medicine XIV; and Laser Physics and Photonics XIV, 869913 (26 February 2013); doi: 10.1117/12.2018768; https://doi.org/10.1117/12.2018768
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