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11 May 2006 Dynamic instability of counterpropagating self-trapped beams in photorefractive media
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Proceedings Volume 6255, ICONO 2005: Nonlinear Space-Time Dynamics; 62550A (2006) https://doi.org/10.1117/12.676737
Event: ICONO 2005, 2005, St. Petersburg, Russian Federation
Abstract
We present an experimental and numerical investigation of the interaction of bidirectional self-guided beams in photorefractive media. Distinct from copropagating beams, the feedback intrinsic to the counterpropagating geometry renders such configurations unstable beyond a control parameter threshold. The instability is mediated through attractive interaction between the induced waveguides and leads to dynamic states, showing telltale signs of chaotic behaviour. We demonstrate qualitative correspondance between experiment and a saturable Kerr model, investigate the dynamical bifurcation in detail and expand on the consequences of a realistic photorefractive model including nonlocality, anisotropy and self bending.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philip Jander, Jochen Schröder, Tobias Richter, Kristian Motzek, Friedemann Kaiser, Milivoj R. Belic, and Cornelia Denz "Dynamic instability of counterpropagating self-trapped beams in photorefractive media", Proc. SPIE 6255, ICONO 2005: Nonlinear Space-Time Dynamics, 62550A (11 May 2006); https://doi.org/10.1117/12.676737
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