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Helmholtz solitons at nonlinear interfaces

机译:非线性界面处的亥姆霍兹孤子

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摘要

Reflection and refraction of spatial solitons at dielectric interfaces, accommodating arbitrarily angles of incidence, is studied. Analysis is based on Helmholtz soliton theory, which eliminates the angular restriction associated with the paraxial approximation. A novel generalization of Snell's law is discovered that is valid for collimated light beams and the entire angular domain. Our new theoretical predictions are shown to be in excellent agreement with full numerical simulations. New qualitative features of soliton refraction and limitations of previous paraxial analyses are highlighted.
机译:研究了介电界面处的空间孤子的反射和折射情况,它能适应任意入射角。分析基于亥姆霍兹孤子理论,该理论消除了与近轴近似相关的角度限制。发现了斯涅尔定律的一种新颖的概括,对准直光束和整个角域有效。我们的新理论预测与完整的数值模拟非常吻合。强调了孤子折射的新定性特征和先前傍轴分析的局限性。

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