Theoretical study of plasmonically induced transparency effect in arrays of graphene-based double disk resonators
In this paper, we consider coupled disk-shaped resonators separated by a thin dielectric substrate that can be used as frequency-tunable filters or as electromagnetic switches in the terahertz frequency band. The two disks are electromagnetically coupled and resonate with dipole plasmonic modes. By...
| Autor principal: | PORTELA, Gianni Masaki Tanaka |
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| Outros Autores: | DMITRIEV, Victor Alexandrovich, OLIVEIRA, Cristiano Braga de, CASTRO, Wagner Ormanes Palheta |
| Grau: | Artigo |
| Idioma: | eng |
| Publicado em: |
Sociedade Brasileira de Micro-ondas e Optoeletrônica
2019
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.ufpa.br/jspui/handle/2011/11778 http://dx.doi.org/10.1590/2179-10742019v18i11634 |
| Resumo: |
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In this paper, we consider coupled disk-shaped resonators separated by a thin dielectric substrate that can be used as frequency-tunable filters or as electromagnetic switches in the terahertz frequency band. The two disks are electromagnetically coupled and resonate with dipole plasmonic modes. By using a Temporal Coupled-Mode Theory based approach, we show how to analytically calculate the frequency response of such structures.The analytical results are in good agreement with those obtained from computational simulations based on the finite element method. |