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Filtro eletromagnético baseado em grafeno operando na região THz.
(Universidade Federal do Pará, 2024-04-04) SANTOS, Luis Eduardo de Sena dos; CASTRO, Wagner Ormanes Palheta; http://lattes.cnpq.br/4322608238580829; DMITRIEV, Victor Alexandrovich; http://lattes.cnpq.br/3139536479960191
In this study, a compact nanoscale plasmonic filter was proposed and numerically analyzed. The plasmonic filter is based on graphene nanoribbons coupled to a disc-shaped graphene resonator with horizontal side cuts and 45o orientation, deposited on a dielectric substrate of silica (SiO2) and silicon (Si) , operating in the THz region. We investigated simple structures that allow tuning the resonance frequency of the resonator. This work provides a viable solution for graphene plasmonic nanofilter structures for future use in highly integrateds plasmonic device applications in THz and FIR regions.