Role of the second-order photorefractive effect in phase matching in second-harmonic generation in a ferroelectric |
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| Authors: | É V Bursian A I Zaitsev |
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| Institution: | (1) Herzen State Pedagogical Institute, St. Petersburg, 191186, Russia |
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| Abstract: | A phenomenological model of second-harmonic generation (SHG) in ferroelectrics in the absence of phase matching is considered. It is shown that conversion efficiency can be increased owing to a strong dependence of the second-order susceptibility on the second-harmonic intensity. The dependence of the conversion efficiency on the pump wave intensity is studied. |
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