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Selective light trapping of plasmonic stack metamaterials by circuit design.
Nanoscale ( IF 5.8 ) Pub Date : 2020-01-08 , DOI: 10.1039/c9nr07937h
Jinfeng Zhu 1 , Lirong Zhang , Shan Jiang , Jun-Yu Ou , Qing Huo Liu
Affiliation  

Plasmonic metamaterials have wide applications in light trapping and manipulation. However, most of their design typically rely on solving Maxwell's equations via computational electromagnetics, which is time-consuming and limits design flexibility. Here, we combined the transmission line circuit theory with full wave simulation to design plasmonic stack metamaterials in the near-infrared range. By virtue of the simplicity and high efficiency of circuit theory, we designed various light trapping functions by using plasmonic stack metamaterials, including comb filtering, short pass, long pass, band pass and band stop. Our study reveals the field-circuit relationship for the light-matter interaction of nanostructure stacks and provides a powerful method for the quick design of functional plasmonic metamaterials.

中文翻译:

通过电路设计对等离激元堆叠超材料的选择性捕光。

等离子体等离子材料在光捕获和操纵中具有广泛的应用。但是,他们的大多数设计通常依赖于通过计算电磁学求解麦克斯韦方程组,这既费时又限制了设计的灵活性。在这里,我们将传输线电路理论与全波仿真相结合,以设计在近红外范围内的等离激元堆叠超材料。凭借电路理论的简单性和高效性,我们使用等离激元堆叠超材料设计了各种光捕获功能,包括梳状滤波,短通,长通,带通和带阻。我们的研究揭示了纳米结构堆叠的光-质相互作用的场-电路关系,并为功能性等离子超材料的快速设计提供了有力的方法。
更新日期:2020-01-08
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