Self-waveguiding of light pulses in photorefractive BSO crystals: intensity and polarization dynamics

Roberto Rinaldi; Eugenio Fazio; Adrian Petris; Valentin Ionel Vlad; Mario Bertolotti

doi:10.1117/12.545859

18 August 2004 Self-waveguiding of light pulses in photorefractive BSO crystals: intensity and polarization dynamics

Roberto Rinaldi, Eugenio Fazio, Adrian Petris, Valentin Ionel Vlad, Mario Bertolotti

Proceedings Volume 5451, Integrated Optics and Photonic Integrated Circuits; (2004) https://doi.org/10.1117/12.545859
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We numerically analyze the selfocusing process of laser pulses propagating inside a photorefractive BSO crystal, simulating the carrier dynamics inside the material. We demonstrate that the soliton regime cannot be reached because of the delay of the photorefractive response in comparison to the excitation. As a consequence only relatively long pulses can efficiently excite the photorefractive nonlinearity, which is able to partially confine the pulse. The confined part has the typical polarization dynamics of a soliton in an optically active media, while the initial part just diffracts following a polarization dynamics which evolves towards the linear regime.

Citation Download Citation

Roberto Rinaldi, Eugenio Fazio, Adrian Petris, Valentin Ionel Vlad, and Mario Bertolotti "Self-waveguiding of light pulses in photorefractive BSO crystals: intensity and polarization dynamics", Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); https://doi.org/10.1117/12.545859

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