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Proceedings Paper

Multiwave mixing and spatial solitons in photorefractive Bi12TiO20 crystals
Author(s): N. G. Borzdov; A. Kiessling; D. A. Khmelnitsky; A. Yu. Matusevich; K. A. Pismennaya; A. L. Tolstik
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Paper Abstract

The energy efficiency of multiwave mixing and geometrical parameters of spatial solitons in photorefractive Bi12TiO20 crystals in conditions of pulsed and continuous-wave laser excitation have been studied experimentally. It has been found that with the use of 532 nm-wavelength laser pulses switching of the photorefractive nonlinearity mechanism requires a time interval in excess of 20 - 50 ns. And saturation is observed when the duration is over 100 ns. The formation dynamics of spatial solitons in photorefractive Bi12TiO20 crystals has been analyzed using radiation of a continuous-wave He-Ne laser. It has been determined that the formation conditions and dynamics are influenced by a number of factors including the radiation input geometry of a crystal, power of the light beam, orientation of its polarization relative to the crystal axes, applied electric field and its direction.

Paper Details

Date Published: 11 May 2006
PDF: 6 pages
Proc. SPIE 6255, ICONO 2005: Nonlinear Space-Time Dynamics, 62550B (11 May 2006); doi: 10.1117/12.676744
Show Author Affiliations
N. G. Borzdov, Belarusian State Univ. (Belarus)
A. Kiessling, Friedrich Schiller Univ. Jena (Germany)
D. A. Khmelnitsky, Belarusian State Univ. (Belarus)
Friedrich Schiller Univ. Jena (Germany)
A. Yu. Matusevich, Belarusian State Univ. (Belarus)
K. A. Pismennaya, Belarusian State Univ. (Belarus)
Friedrich Schiller Univ. Jena (Germany)
A. L. Tolstik, Belarusian State Univ. (Belarus)


Published in SPIE Proceedings Vol. 6255:
ICONO 2005: Nonlinear Space-Time Dynamics
Nikolai Rosanov; Stephano Trillo, Editor(s)

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