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Proceedings Paper

Polarization evolution of spatial solitons in photorefractive crystals with large optical activity
Author(s): Valentin Ionel Vlad; Adrian Petris; Vasile D. Babin; Eugenio Fazio; Mario Bertolotti
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Paper Abstract

We found out analytical solutions of the propagation equations in photorefractive crystals with nonlinear birefringence, large optical activity and absorption, which show the occurrence of spatial solitons, in the usual orientations with respect to the external electric field. Here, we calculate the Stokes parameters of these solitons and we show their polarization evolutions on the Poincare sphere, in function of the crystal orientation, propagation distance, the soliton-background-intensity-ratio and the external electric field. The experimental polarization states correspond well to our analytical results and numerical simulations. These results are useful for selection of optimum parameters in spatial soliton generation and for future applications in optical switching, routing and storage.

Paper Details

Date Published: 21 October 2004
PDF: 11 pages
Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); doi: 10.1117/12.582967
Show Author Affiliations
Valentin Ionel Vlad, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Adrian Petris, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Vasile D. Babin, National Institute of Research & Development for Optoelectronics (Romania)
Eugenio Fazio, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
Mario Bertolotti, INFM, Univ. degli Studi di Roma La Sapienza (Italy)


Published in SPIE Proceedings Vol. 5581:
ROMOPTO 2003: Seventh Conference on Optics
Valentin I. Vlad, Editor(s)

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