Soliton-like structures in BTO

Armin Kiessling; Richard M. Kowarschik; E. Weidner

doi:10.1117/12.530004

19 November 2003 Soliton-like structures in BTO

Armin Kiessling, Richard M. Kowarschik, E. Weidner

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.530004
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We present experimental investigations on photorefractive spatial solitons in thin and long (fiber-like) BTO-crystals (sillenite type). The temporal evolution of the beam width is investigated in dependence of the externally applied dc field and the optical power of the soliton beam. Self-focusing occurs for entrance beam diameters of about 10 μm and an optical power of the HeNe-laser illumination in the range of 50 nW. We observed a reduction of the output beam width of nearly 70% in the steady state. This steady state is reached faster for higher field strengths and intensities. The times needed for soliton formation are restricted by saturation.

Citation Download Citation

Armin Kiessling, Richard M. Kowarschik, and E. Weidner "Soliton-like structures in BTO", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.530004

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