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Conference Paper
Photorefractive Effects, Materials, and Devices
Sanya, Hainan China
July 19, 2005
ISBN: 1-55752-793-8
Solitons and Optical Lattices (SOL)

Spatio-temporal dynamics of counterpropagating photorefractive self-trapped beams

Ph. Jander, J. Schroder, C. Denz, T. Richter, K. Motzek, F. Kaiser, Milivoj R. Belić, and Milan Petrović

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We investigate spatio-temporal dynamics in the interaction of counterpropagating self-trapped beams in a photorefractive strontium barium niobate crystal. While the interaction of copropagating spatial optical solitons exhibits only transient dynamics, resulting in a funal steady state, the counterpropagating geometry supports a dynamic instability mediated by intrinsic feedback. Experimental observations are compared to and found to be in qualitative agreement with numerical simulations. The threshold of the instability is examined numerically and period doubling beyond the bifurcation is demonstrated.

© 2005 Optical Society of America

OCIS Codes
(190.3100) Nonlinear optics : Instabilities and chaos
(190.5330) Nonlinear optics : Photorefractive optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

P. Jander, J. Schroder, C. Denz, T. Richter, K. Motzek, F. Kaiser, M. R. Belić, and M. Petrović, "Spatio-temporal dynamics of counterpropagating photorefractive self-trapped beams," in Photorefractive Effects, Materials, and Devices, G. Zhang, D. Kip, D. Nolte, and J. Xu, eds., Vol. 99 of OSA Trends in Optics and Photonics (Optical Society of America, 2005), paper 522.

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