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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2011

Symmetry-breaking instability of quadratic soliton bound states

Résumé

We study both numerically and experimentally two-dimensional soliton bound states in quadratic media and demonstrate their symmetry-breaking instability. The experiment is performed in a potassium titanyl phosphate crystal in a type-II configuration. The bound state is generated by the copropagation of the antisymmetric fundamental beam locked in phase with the symmetrical second harmonic one. Experimental results are in good agreement with numerical simulations of the nonlinear wave equations.
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hal-00583002 , version 1 (17-05-2021)

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M. Delqué, G. Fanjoux, H. Maillotte, P. Kockaert, T. Sylvestre, et al.. Symmetry-breaking instability of quadratic soliton bound states. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2011, 83 (1), pp.013807. ⟨10.1103/PhysRevA.83.013807⟩. ⟨hal-00583002⟩
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