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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Peculiarities of the nonlinear surface wave propagation in the composite waveguide with different nonlinearity types of the layers
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Peculiarities of the nonlinear surface wave propagation in the composite waveguide with different nonlinearity types of the layers

机译:具有不同非线性类型的复合波导中非线性表面波传播的非线性表面波传播的特性

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摘要

In this paper, we explore the photorefractive crystal with diffusion nonlinearity mechanism covered by self-focusing Kerr-type crystal contacting with dielectric medium. Four types of nonlinear surface TM electromagnetic waves can propagate along the interfaces of such three-layered composite waveguide. The dispersion equations and conditions of existence of the waves depending on waveguide characteristics are analyzed. This allows to find exact and approximate solutions of dispersion equations in different cases and to obtain the dependence of propagation constant of the surface wave in explicit form. Conditions to control the field distribution across the interface planes by varying the waveguide temperature or waveguide optical and structure characteristics are presented.
机译:在本文中,我们探讨了通过通过自聚焦kerr型晶体接触与介电介质覆盖的扩散非线性机制的光折花晶体。 四种类型的非线性表面TM电磁波可以沿着这种三层复合波导的界面传播。 分析了取决于波导特性的波浪的分散方程和存在的存在条件。 这允许在不同情况下寻找色散方程的精确和近似解,并在明确形式中获得表面波的传播常数的依赖性。 通过改变波导温度或波导光学和结构特性,提出了通过改变界面平面来控制界面分布的条件。

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