等离子体纳米结构中的奇异散射特征

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI:10.1117/12.2594913

A. Alú

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引用次数: 0

摘要

在这次演讲中，我将讨论我们最近在纳米结构和超材料的散射方面的研究活动，重点是等离子体现象。我将讨论与拓扑特征相关的不寻常的纳米光学响应，包括嵌入的特征态，等离子体粒子阵列带图中的结，以及由时间变化引起的奇异散射响应和吸收现象。虽然我们在这方面的结果在本质上主要是理论性的，但在演讲中，我还将讨论损失的影响以及对这些概念进行实验验证的途径。

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Exotic scattering features in plasmonic nanostructures

In this talk, I discuss our recent research activity in tailoring the scattering of nanostructures and metamaterials, with an emphasis on plasmonic phenomena. I will discuss unusual nano-optical responses associated with topological features, including embedded eigenstates, knots in the band diagram of arrays of plasmonic particles, and exotic scattering responses and absorption phenomena enabled by temporal variations. While our results in this context are mostly theoretical in nature, during the talk, I will also discuss the influence of loss and a path towards experimental verification of these concepts.

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Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX

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