Reflection of quadratic solitons at the boundary of nonlinear media |
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Authors: | Baronio Fabio De Angelis Costantino Pioger Paul-Henri Couderc Vincent Barthélémy Alain |
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Affiliation: | Istituto Nazionale per la Fisica della Materia, Università di Brescia, via Branze 38, 25123 Brescia, Italy. |
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Abstract: | We report experimental evidence of soliton reflection at the boundary of quadratic nonlinear media. The evolution of beams incident upon the interface of periodically poled LiNbO3 and uniform LiNbO3 is considered; in the whole device the linear refractive index is homogeneous. Linear beam transmission and soliton reflection at the nonlinear phase-mismatched boundary were observed. Numerical simulations that correspond to the experiments are also presented. |
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