Nonlinear conversion of light in photo-integrated micro- and nano-periodic susceptibility lattices

Vitaly A. Smirnov; Liubov I. Vostrikova

doi:10.1117/12.2179977

19 March 2015 Nonlinear conversion of light in photo-integrated micro- and nano-periodic susceptibility lattices

Vitaly A. Smirnov, Liubov I. Vostrikova

Proceedings Volume 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics; 944810 (2015) https://doi.org/10.1117/12.2179977
Event: Saratov Fall Meeting 2014, 2014, Saratov, Russian Federation

Abstract

Theoretical consideration of the nonlinear conversion of light in photo-integrated micro- and nano-periodic susceptibility lattices which could be created in different isotropic materials is presented. The phenomena of the frequency doubling of light and the parametrical amplification of light in transformed isotropic medium are investigated according into account the realistic picture of the possible formation of the space structures of second order susceptibility with micro- and nanoperiodicities by action of the intersecting Gaussian beams of the fundamental and doubled harmonics of the mutualcoherent powerful laser radiation. The developed theory is based on a model of the formation of long-lived electrostatic field in isotropic material by means of the coherent photo-galvanic effect and gives the interesting peculiarities of processes of the frequency doubling and parametrical amplification of light which are connected with the formation of the long-lived susceptibility structures in volumetric media. In contrast to the well known nonlinear crystals, it has been demonstrated that in photo-integrated space-periodic susceptibility there is a possibility to obtain a new regime of twobeam frequency conversion of light. Fundamental properties of the phenomena have been studied and the possible mechanisms of processes are discussed.

Citation Download Citation

Vitaly A. Smirnov and Liubov I. Vostrikova "Nonlinear conversion of light in photo-integrated micro- and nano-periodic susceptibility lattices", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944810 (19 March 2015); https://doi.org/10.1117/12.2179977

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