8 May 1996 Peculiarities of coherent-light-shaped pulse amplification under transient common-upper-level double-resonance scheme conditions
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Abstract
One consider the amplification of pulses of coherent light in the resonant three-level active media that is excited by short power pulse of coherent light according to the common-upper- level double resonance scheme. The radiation with major frequency (pump) is supposed to be stronger than one with minor frequency (signal). The self-induced transparency is supposed to be established in the pump channel. The exponential growth of stationary shape short signal pulses is studied mainly. One shows that when any described here conditions for initial signal pulse shape are meeting the stationary gained signal pulse of complicated form can be formed. The gains of these pulses are less than ones for signal pulses of quasi-hyperbolic-secant form. Therefore in the case of incomplete condition meeting the competition between the exponentially growing signal pulses with different gains and shapes leads finally to the overwhelming of signal pulse with quasi-hyperbolic-secant-shape form. The effect of inhomogeneous broadening of spectral transition lines on the parameters of signal pulses was studied too. Evaluations that were carried out for any atomic gases show that described in this paper phenomena can be produced at realistic levels of power and duration of pump and signal pulses.
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Oleg M. Parshkov, Oleg M. Parshkov, Alexey E. Dmitriev, Alexey E. Dmitriev, Andrey L. Vershinin, Andrey L. Vershinin, } "Peculiarities of coherent-light-shaped pulse amplification under transient common-upper-level double-resonance scheme conditions", Proc. SPIE 2701, Generation, Amplification, and Measurement of Ultrashort Laser Pulses III, (8 May 1996); doi: 10.1117/12.239723; https://doi.org/10.1117/12.239723
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