Bessel light beam self-diffraction in heavily doped n-InP under conditions of high optical nonlinearity

Anatol A. Ryzhevich; Ilya A. Utkin

doi:10.1117/12.475909

24 July 2002 Bessel light beam self-diffraction in heavily doped n-InP under conditions of high optical nonlinearity

Anatol A. Ryzhevich, Ilya A. Utkin

Author Affiliations +

Proceedings Volume 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems; (2002) https://doi.org/10.1117/12.475909
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

Self-diffraction of Bessel light bema in heavily doped n-InP has been experimentally studied. It is found that additional rings which have double structure appear in spatial spectrum of diffracted light. At certain conditions Gaussian like central maximum can be also observed in spatial spectrum. Numerical simulations have been performed for the case of Raman-Nath regime and saturation nonlinearity. The results of simulations are in a good agreement with experimental data. The double structure of the diffraction rings can be explained in terms of the existence of forbidden directions for light diffraction.

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Anatol A. Ryzhevich and Ilya A. Utkin "Bessel light beam self-diffraction in heavily doped n-InP under conditions of high optical nonlinearity", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); https://doi.org/10.1117/12.475909

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