Abstract
We consider the process of generation of difference frequency in a GaAs crystal with periodic domain structure during propagation of a few-cycle laser pulse in the crystal in the regime of weakly expressed chromatic dispersion. Method of lines is used to obtain numerical solution to the system of coupled nonlinear differential equations in partial derivatives describing the evolution of the electric field of a few-cycle laser pulse in GaAs crystal both with periodic and aperiodic domain structure. It is shown that employing GaAs crystal with domain structure allows controlling the instantaneous frequency of broadband pulse radiation at difference frequency.
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Original Russian Text © A.A. Hakhoumian, G.D. Hovhannisyan, 2014, published in Izvestiya NAN Armenii, Fizika, 2014, Vol. 49, No. 2, pp. 99–113.
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Hakhoumian, A.A., Hovhannisyan, G.D. Dynamics of difference frequency radiation generation in the field of few-cycle laser pulse propagating in GaAs crystal with domain structure. J. Contemp. Phys. 49, 60–68 (2014). https://doi.org/10.3103/S1068337214020042
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DOI: https://doi.org/10.3103/S1068337214020042