Bright photorefractive spatial solitons in barium-calcium titanate crystals

Vladymir M. Shandarov; Detlef Kip; Monika Wesner; Jingjun Xu

doi:10.1117/12.545850

3 December 2003 Bright photorefractive spatial solitons in barium-calcium titanate crystals

Vladymir M. Shandarov, Detlef Kip, Monika Wesner, Jingjun Xu

Proceedings Volume 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; (2003) https://doi.org/10.1117/12.545850
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

We report the experimental investigation both, of the one - dimensional and two - dimensional bright screening spatial solitons in a promising photorefractive crystal of barium - calcium titanate doped with iron. The effects of the partial trapping of the spatially incoherent ordinarily polarized background light within the soliton - induced planar waveguide as well as the regular oscilations of the light beam intensity and width during the beam self - focusing are observed. For the crystal sample, doped with higher dose of iron (290 ppm), we also find the self - defocusing of light beams due to the light - induced negative photovoltaic lens in the absence of the externally applied electric field.

Citation Download Citation

Vladymir M. Shandarov, Detlef Kip, Monika Wesner, and Jingjun Xu "Bright photorefractive spatial solitons in barium-calcium titanate crystals", Proc. SPIE 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, (3 December 2003); https://doi.org/10.1117/12.545850

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