Exact Multipolar Decompositions with Applications in Nanophotonics,Advanced Optical Materials

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Exact Multipolar Decompositions with Applications in Nanophotonics
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2018-12-05 , DOI: 10.1002/adom.201800783
Rasoul Alaee ₁ , Carsten Rockstuhl _{2,

3} , Ivan Fernandez-Corbaton ₃

Affiliation

The multipolar decomposition of electromagnetic sources is an important tool for the study of light–matter interactions in general, and optical materials in particular. Here, a report is given on recent progress in the multipolar decomposition of electromagnetic sources. First, the exact and simple expressions for the multipolar moments of electric current density distributions are reviewed, and then, the results are extended to multipolar moments of magnetization current density distributions due to intrinsic spin. The consideration of both electric and magnetic sources allows to establish the conditions for sources of pure handedness. Scripts are provided that facilitate the computation of multipolar moments of arbitrary order. The work and the included examples of use are placed in the context of nanophotonics and metamaterials, and an outlook for applications in these and other fields is provided.

中文翻译：

精确的多极分解及其在纳米光子学中的应用

电磁源的多极分解是研究一般光物质相互作用（尤其是光学材料）的重要工具。这里，给出了关于电磁源的多极分解的最新进展的报告。首先，对电流密度分布的多极矩的精确和简单表达式进行了综述，然后将结果扩展到由于固有自旋而引起的磁化电流密度分布的多极矩。对电源和磁源的考虑可以为纯正旋律源建立条件。提供了有助于简化任意阶多极矩计算的脚本。这项工作及其使用的示例均放在纳米光子学和超材料的背景下，

更新日期：2018-12-05

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