Schematic of the Twisted Bilayer Graphene Nano-Cavity (IMAGE)
Caption
Figure 1: Artistic and schematic representation of the twisted bilayer graphene plasmonic metasurface (t-DL-GPM). Two graphene layers (black hexagonal lattices) are twisted at a specific angle. Terahertz waves are focused and trapped in the nanocavity between the layers, where a target molecule (red and blue) is located. This extreme confinement allows for ultra-sensitive detection of the molecule's fingerprint.
Credit
Shu Chen Terahertz Technology Innovation Research Institute, Terahertz Spectrum and Imaging Technology Cooperative Innovation Center, Shanghai Key Lab of Modern Optical System, School of Optical-Electric and Computer Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
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CC BY