The imaginary components of dispersion parameters and the Stokes mode dynamics in stimulated Raman scattering |
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Authors: | I. O. Zolotovskii D. I. Sementsov |
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Affiliation: | (1) Ul’yanovsk State University, Ul’yanovsk, Russia |
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Abstract: | The Stokes pulse dynamics during stimulated Raman scattering has been studied in the constant pumping approximation. The nonlinear problem of interaction between a pumping wave and the Stokes component is reduced to a linear equation describing propagation of an optical pulse in the amplifying medium with imaginary components of the first-and second-order dispersion parameters, the presence of which leads to the possibility of the pulse envelope propagation at a supraluminal velocity. |
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