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25 April 2006 Soliton dynamics and interactions in dynamically photo-induced lattices
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In this work we investigate the dynamics of a spatial soliton pulse under the presence of a linear Periodic Wave (PW), which dynamically induces a photonic lattice. We consider that propagation phenomena are governed by the well-known non-linear Schrodinger equation (NLSE), while Kerr-type non-linearity is in effect. Interaction phenomena are analyzed by forming a non-linear coupled differential equation system of the evolution of the soliton-beam parameters, which are the pulse amplitude, the transverse velocity, the mean position and the phase. The dynamical system governing the evolution of soliton parameters is derived by utilizing a quasi-particle approach based on the perturbed inverse scattering method. Direct numerical simulations of the NLS equation are shown to be in good agreement with the solution of the dynamical system, for a wide range of the parameters. The results show that efficient photon management, in terms of soliton control and beam steering, can occur for appropriate choices of the characteristics of the periodic lattice, which are the amplitude, the period, the pulse duration, the relative position with respect to the soliton beam in the transverse dimension and the initial transverse velocity.
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Ilias Tsopelas, Yannis Kominis, Kyriakos Hizanidis, Lambros Halastanis, Nikolaos Efremidis, Nikolaos Moshonas, Sotirios Droulias, and Panagiotis Papagiannis "Soliton dynamics and interactions in dynamically photo-induced lattices", Proc. SPIE 6187, Photon Management II, 61871A (25 April 2006);

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