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Optical Guided Modes with Arbitrary Propagation Constants in the Plane Array of Metallic Waveguides
Journal of Experimental and Theoretical Physics ( IF 1.1 ) Pub Date : 2020-03-12 , DOI: 10.1134/s106377612001001x
A. A. Anastasiev , A. L. Burin , Yu. Kagan , I. Ya. Polishchuk , Yu. I. Polishchuk

Abstract

The optical guided modes in the plane array of metallic cylindrical waveguides are considered. The case of the arbitrary propagation constant β is studied. Thus far, only the case β = 0 has been investigated in literature. We have revealed that just for β ≠ 0, the new branch of guided modes appears. The case of silver waveguides is investigated in details. It is found that, for sufficiently small β, the dispersion curve for the guided mode is located below the transmission window. We found the conditions for which the dispersion curve with β ≠ 0 is located completely within the transmission window. The multiple scattering formalism based on the expansion in the vector cylinder harmonics is employed. The cases of copper and gold waveguides are discussed briefly.


中文翻译:

金属波导平面阵列中具有任意传播常数的光导模式

摘要

考虑了金属圆柱形波导的平面阵列中的光导模式。研究了任意传播常数β的情况。迄今为止,文献中仅研究了β= 0的情况。我们已经发现,仅当β≠0时,就会出现新的引导模式分支。详细研究了银波导的情况。发现对于足够小的β,引导模式的色散曲线位于透射窗下方。我们发现了β≠0的色散曲线完全位于透射窗口内的条件。采用基于矢量圆柱谐波展开的多重散射形式。简要讨论了铜和金波导的情况。
更新日期:2020-03-12
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