Plasmon–Plasmon Hybridization and Bandwidth Enhancement in Nanostructured Graphene,Nano Letters

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Plasmon–Plasmon Hybridization and Bandwidth Enhancement in Nanostructured Graphene
Nano Letters ( IF 9.6 ) Pub Date : 2015-03-10 00:00:00 , DOI: 10.1021/acs.nanolett.5b00148
Damon B. Farmer ₁ , Daniel Rodrigo , Tony Low ₂ , Phaedon Avouris ₁

Affiliation

Graphene plasmonic structures with long-range layering periodicity are presented. Resonance energy scaling with the number of graphene layers involved in plasmonic excitation allows these structures to support multiple plasmonic modes that couple and hybridize due to their physical proximity. Hybridized states exhibit bandwidth enhancements of 100–200% compared to unhybridized modes, and resonance energies deviate from what is usually observed in coupled plasmonic systems. Origins of this behavior are discussed, and experimental observations are computationally modeled. This work is a precursor and template for the study of plasmonic hybridization in other two-dimensional material systems with layering periodicity.

中文翻译：

纳米石墨烯的等离子-等离子杂交和带宽增强

提出了具有长距离分层周期性的石墨烯等离子体激元结构。等离子体激元激发中涉及的石墨烯层数的共振能量缩放使这些结构能够支持由于其物理接近性而耦合和杂交的多个等离子体激元模式。与未混合模式相比，杂交状态的带宽提高了100-200％，并且共振能量偏离了耦合等离子体系统中通常观察到的能量。讨论了这种行为的起源，并对实验观察进行了计算建模。这项工作是研究具有分层周期性的其他二维材料系统中的等离激元杂交的先驱和模板。

更新日期：2015-03-10

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