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Tunable guided resonance in twisted bilayer photonic crystal.
Lou, Beicheng; Wang, Benjamin; Rodríguez, Jesse A; Cappelli, Mark; Fan, Shanhui.
Afiliação
  • Lou B; Department of Applied Physics, Stanford University, Stanford, CA 94305, USA.
  • Wang B; Department of Mechanical Engineering, Stanford University, Stanford, CA 94305, USA.
  • Rodríguez JA; Department of Mechanical Engineering, Stanford University, Stanford, CA 94305, USA.
  • Cappelli M; Department of Mechanical Engineering, Stanford University, Stanford, CA 94305, USA.
  • Fan S; Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA.
Sci Adv ; 8(48): eadd4339, 2022 Dec 02.
Article em En | MEDLINE | ID: mdl-36449612
ABSTRACT
We experimentally demonstrate tunable guided resonance in twisted bilayer photonic crystals. Both the numerically and the experimentally obtained transmission spectra feature resonances with frequencies strongly dependent on the twist angle, as well as resonances with frequencies that are largely independent of the twist angle. These resonant features can be well understood with a simple analytic theory based on band folding. Our work illustrates the rich tunable resonance physics in twisted bilayer systems.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article