19 March 2015 Short probe pulse electromagnetically induced transparency
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The numerical simulation results of the probe pulse duration influence on this pulse evolution in presence of electromagnetically induced transparency are presented. We investigate the cases of weak and strong input pulses in degenerated quantum transition Λ -scheme with inhomogeneous line broadening. The linear polarizations of probe and control radiation are supposed. According to our calculations, the weak input probe pulse regime is the most favorable for formation of more than one nanosecond duration probe pulse with small varying of envelop form by its transition. The strong input probe pulse condition is disadvantageous for preservation of pulse shape when the probe pulse travels across the medium, for duration less than several nanoseconds. This circumstance imposes restriction on operating speed of the perspective equipments, principle operation of which bases on the electromagnetically induce transparency effect.
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Oleg M. Parshkov, Oleg M. Parshkov, Ekaterina R. Govorenko, Ekaterina R. Govorenko, "Short probe pulse electromagnetically induced transparency", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944821 (19 March 2015); doi: 10.1117/12.2179520; https://doi.org/10.1117/12.2179520

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