4.6 Article

Amplitude Modulation of Anomalously Refracted Terahertz Waves with Gated-Graphene Metasurfaces

Journal

ADVANCED OPTICAL MATERIALS
Volume 6, Issue 1, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201700507

Keywords

graphene; metasurfaces; anomalous refraction; circular polarization conversion; terahertz waves

Funding

  1. National Research Foundation of Korea (NRF) through government of Korea (MSIP) [NRF-2017R1A2B3012364, 2014M3C1A3052537, 2015001948]
  2. Center for Advanced Meta-Materials (CAMM) - Korea Government (MSIP) as Global Frontier Project [CAMM2014M3A6B3063709]
  3. ERC Consolidator Grant (TOPOLOGICAL)
  4. Royal Society
  5. [IBS-R011-D1]

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Although recent progress in metasurfaces has shown great promise for applications, optical properties in metasurfaces are typically fixed by their structural geometry and dimensions. Here, an electrically controllable amplitude of anomalously-refracted waves in a hybrid graphene/metasurface system are experimentally demonstrated, which consists of an artificially constructed two-dimensional metallic apertures array and naturally occurring two-dimensional carbon atoms (graphene) in the subwavelength-scale (

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