Selective light trapping of plasmonic stack metamaterials by circuit design

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 circu...

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Bibliographic Details
Published in:Nanoscale 2020-01, Vol.12 (3), p.257-262
Main Authors: Zhu, Jinfeng, Zhang, Lirong, Jiang, Shan, Ou, Jun-Yu, Liu, Qing Huo
Format: Article
Language:English
Subjects:
Circuit design
Computational electromagnetics
Computer simulation
Maxwell's equations
Metamaterials
Transmission lines
Trapping
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Summary: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. The 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.
ISSN:2040-3364
2040-3372
DOI:10.1039/c9nr07937h