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首页> 外文期刊>Optical and quantum electronics >Dyakonov surface waves at the interface of nanocomposites with spherical and ellipsoidal inclusions
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Dyakonov surface waves at the interface of nanocomposites with spherical and ellipsoidal inclusions

机译：Dyakonov表面波在纳米复合材料的界面，具有球形和椭圆形夹杂物

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摘要

The dispersion properties of different types of surface electromagnetic waves which are supported by the interface of two nanocomposite materials with inclusions of different shape are studied theoretically and numerically. Both nanocomposites are made of doped n-type semiconductor inclusions which are evenly distributed in a transparent dielectric matrix. First nanocomposite contains semiconductor inclusions of spherical shape and can be represented as isotropic material with scalar effective dielectric permittivity. Second nanocomposite contains semiconductor inclusions of ellipsoidal shape and can be modeled as a uniaxial anisotropic crystal with two different principal effective permittivity components. Influence of physical and geometrical parameters of the nanocomposites on dispersion properties of surface waves is studied. It is shown that when dissipations in the semiconductor inclusions are taken into account the angular spectrum of Dyakonov surface wave existence becomes wider, and several dispersion curves of surface modes can simultaneously exist.
机译：通过理论上和数值在理论上和数值上研究了由两个纳米复合材料的界面支撑的不同类型的表面电磁波的分散性质，其包括不同形状的夹杂物。两个纳米复合材料都由掺杂的n型半导体夹杂物制成，其均匀地分布在透明介电基质中。第一纳米复合材料含有球形的半导体夹杂物，可以用标量有效介电常数表示为各向同性材料。第二纳米复合材料含有椭圆形状的半导体夹杂物，可以用两种不同的主要有效介电常数组分为单轴各向异性晶体来建模。研究了纳米复合材料对表面波分散性质的影响。结果表明，当考虑半导体夹杂物中的耗散时，当Dyakonov表面波存在的角谱变得更宽，并且可以同时存在若干表面模式的分散曲线。

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