Nonlinear correction of a light beam shape in photorefractive optical waveguides

Author

Shandarov, V.

Author_Institution

State Acad. of Control Syst. & Radioelectron., Tomsk, Russia

Volume

2

fYear

1996

fDate

18-21 Nov. 1996

Firstpage

20

Abstract

The self-actions of light in photorefractive media result in the phenomena of nonlinear optical surface waves and spatial solitons, effects of beam self-focusing and self defocusing. They can be realized here at optical powers some orders less than in Kerr media. Optical waveguides suggest in such a way additional advantages with respect to 3D media. It is due to the possible enhancement of their photorefractive properties by surface doping, with using different dopants for separate areas of the same sample, and larger light intensity within waveguides. In this work the changes of light beam shapes via spatial self-actions in lithium niobate optical waveguides doped by Fe are experimentally investigated and discussed.

Keywords

iron; laser beams; lithium compounds; optical self-focusing; optical solitons; optical waveguides; photorefractive materials; 3D media; LiNbO/sub 3/:Fe; beam self-focusing; dopants; light beam shape; light beam shapes; light intensity; nonlinear correction; nonlinear optical surface waves; optical powers; photorefractive optical waveguides; self defocusing; self-actions; spatial self-actions; spatial solitons; surface doping; Doping; Lithium niobate; Nonlinear optics; Optical solitons; Optical surface waves; Optical waveguides; Photorefractive effect; Shape; Surface waves; Waveguide transitions;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Society Annual Meeting, 1996. LEOS 96., IEEE

Conference_Location

Boston, MA, USA

Print_ISBN

0-7803-3160-5

Type

conf

DOI

10.1109/LEOS.1996.571528

Filename

571528