Plasmon-Plasmon Hybridization and Bandwidth Enhancement in Nanostructured Graphene

被引：42
作者：
Farmer, Damon B. [1 ]
Rodrigo, Daniel [2 ,3 ]
Low, Tony [4 ]
Ayouris, Phaedon [1 ]
机构：
[1] IBM TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
[2] Ecole Polytech Fed Lausanne, Inst Elect Engn, CH-1015 Lausanne, Switzerland
[3] Ecole Polytech Fed Lausanne, Inst Bioengn, CH-1015 Lausanne, Switzerland
[4] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
来源：
NANO LETTERS | 2015年 / 15卷 / 04期
关键词：
Graphene; plasmon; hybridization; infrared; bandwidth; spectroscopy; INFRARED-SPECTROSCOPY; RAMAN-SPECTROSCOPY; TERAHERTZ; FILMS;
D O I：
10.1021/acs.nanolett.5b00148
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：2582 / 2587
页数：6
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