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Directional excitation of SPP in metallic nanoslits and its functional application

机译:金属纳米缝中SPP的定向激发及其功能应用

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摘要

Directional excitation and flexible manipulation of Surface Plasmon Polaritons (SPPs) with metallic nanostructure is a vital issue for functional plasmonic applications. Here, based on the interference of SPPs generated by the two slits, unidirectional and efficient SPP excitation can be realized with metallic nanoslits. Furthermore, the use of binary metallic blazing grating to realize directional SPP excitation under normal incidence is preliminarily investigated. Potential functional applications based on the directional SPPs excitation are proposed, such as integrating with other plasmonic components to realize selective coupling of SPPs into different ports for the application in plasmonic circuitry.
机译:具有金属纳米结构的表面等离激元极化子(SPP)的定向激发和灵活操纵是功能等离激元应用中的重要问题。在此,基于由两个狭缝产生的SPP的干扰,可以利用金属纳米狭缝实现单向且有效的SPP激发。此外,初步研究了使用二元金属闪耀光栅来实现法向入射下的定向SPP激发。提出了基于定向SPP激励的潜在功能应用,例如与其他等离子体组件集成,以实现将SPP选择性耦合到不同端口,以用于等离子体电路。

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