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2010

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Parametric coupling of frequency components at stimulated Raman scattering in solids

 a,  b,  b,  b
a Prokhorov General Physics Institute of the Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119942, Russian Federation
b V.A. Degtyarev Kovrov State Technological Academy, ul. Mayakovskogo, Kovrov, Vladimir region, 601910, Russian Federation

We analyze the effect of parametric coupling of different frequency components on the stimulated Raman scattering threshold depending on the four-wave mixing phase mismatch and material dispersion. A fundamental difference is observed in the way parametric processes affect the generation of Stokes and anti-Stokes waves. We show that as a result of parametric coupling of Stokes components, their generation thresholds strongly decrease and come closer to each other because they originate from an intense parametric rather than a spontaneous seed radiation. The theoretical analysis refines and extends the commonly accepted concept of stimulated Raman scattering in nonlinear crystals and demonstrates good agreement with new experimental data.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 42.55.Ye, 42.65.Dr, 42.65.Ky, 42.70.Mp, 42.79.Nv (all)
DOI: 10.3367/UFNe.0180.201006f.0639
URL: https://ufn.ru/en/articles/2010/6/e/
Citation: Basiev T T, Smetanin S N, Shurygin A S, Fedin A V "Parametric coupling of frequency components at stimulated Raman scattering in solids" Phys. Usp. 53 611–617 (2010)
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Оригинал: Басиев Т Т, Сметанин С Н, Шурыгин А С, Федин А В «Параметрическая связь частотных компонент излучения при вынужденном комбинационном рассеянии в твёрдом теле» УФН 180 639–646 (2010); DOI: 10.3367/UFNr.0180.201006f.0639

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