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A multiplicity of exceptional compound plasmon-polariton waves
Journal of Modern Optics ( IF 1.3 ) Pub Date : 2021-03-07 , DOI: 10.1080/09500340.2021.1893846
Chenzhang Zhou 1 , Tom G. Mackay 1, 2 , Akhlesh Lakhtakia 1
Affiliation  

The propagation of compound plasmon-polariton (CPP) waves was investigated for the canonical boundary-value problem involving a metal film sandwiched between a homogeneous uniaxial dielectric material and a periodically nonhomogeneous isotropic dielectric material. Attention was focused upon exceptional CPP waves whose decay in the uniaxial dielectric material is governed by the product of a linear and an exponential function of distance from the uniaxial dielectric/metal interface. For physically realistic constitutive-parameter values, up to three exceptional CPP waves were found to exist, each with different propagation directions and with different wavenumbers, in each quadrant of the interface plane. The number of exceptional CPP waves, and their natures, were found to be sensitive to the period of the nonhomogeneous material, the thickness of the metal, as well as the constitutive properties of all three materials involved.



中文翻译:

多种特殊的复合等离子体激元-极化子波

研究了复合等离振子-极化子(CPP)波的传播,以解决典型的边界值问题,该问题涉及夹在均质单轴介电材料和周期性非均质各向同性介电材料之间的金属膜。注意力集中在异常的CPP波上,其单轴电介质材料的衰减取决于与单轴电介质/金属界面的距离的线性和指数函数的乘积。对于物理上逼真的本构参数值,在界面平面的每个象限中发现多达三个异常CPP波,每个CPP波具有不同的传播方向和不同的波数。发现异常CPP波的数量及其性质对非均质材料的周期很敏感,

更新日期:2021-03-08
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