Polarization evolution of spatial solitons in photorefractive crystals with large optical activity

Valentin Ionel Vlad; Adrian Petris; Vasile D. Babin; Eugenio Fazio; Mario Bertolotti

doi:10.1117/12.582967

21 October 2004 Polarization evolution of spatial solitons in photorefractive crystals with large optical activity

Valentin Ionel Vlad, Adrian Petris, Vasile D. Babin, Eugenio Fazio, Mario Bertolotti

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Proceedings Volume 5581, ROMOPTO 2003: Seventh Conference on Optics; (2004) https://doi.org/10.1117/12.582967
Event: ROMOPTO 2003: Seventh Conference on Optics, 2003, Constanta, Romania

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.

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Valentin Ionel Vlad, Adrian Petris, Vasile D. Babin, Eugenio Fazio, and Mario Bertolotti "Polarization evolution of spatial solitons in photorefractive crystals with large optical activity", Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); https://doi.org/10.1117/12.582967

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