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- Title
Terahertz Optoelectronic Property of Graphene: Substrate-Induced Effects on Plasmonic Characteristics.
- Authors
I-Tan Lin; Yi-Ping Lai; Kuang-Hsiung Wu; Jia-Ming Liu
- Abstract
The terahertz plasmon dispersion of a multilayer system consisting of graphene on dielectric and/or plasma thin layers is systematically investigated. We show that graphene plasmons can couple with other quasiparticles such as phonons and plasmons of the substrate; the characteristics of the plasmon dispersion of graphene are dramatically modified by the presence of the coupling effect. The resultant plasmon dispersion of the multilayer system is a strong function of the physical parameters of the spacer and the substrate, signifying the importance of the substrate selection in constructing graphene-based plasmonic devices.
- Subjects
OPTICAL properties of graphene; OPTOELECTRONICS; INTERMOLECULAR forces; DISPERSION relations; THIN layer chromatography; PLASMONS (Physics)
- Publication
Applied Sciences (2076-3417), 2014, Vol 4, Issue 1, p28
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app4010028