Reconfigurable broadband terahertz perfect absorbers and generators based on multilayer graphene ribbon plasmonic structures

Alexander M. Lerer; Galina S. Makeeva; Vladimir V. Cherepanov; Irina N. Ivanova

doi:10.1117/12.2585702

4 May 2021 Reconfigurable broadband terahertz perfect absorbers and generators based on multilayer graphene ribbon plasmonic structures

Alexander M. Lerer, Galina S. Makeeva, Vladimir V. Cherepanov, Irina N. Ivanova

Author Affiliations +

Proceedings Volume 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling; 118460B (2021) https://doi.org/10.1117/12.2585702
Event: Saratov Fall Meeting 2020, 2020, Saratov, Russian Federation

Abstract

A multilayer two-dimensional periodic metasurface made of graphene micro-ribbons, which absorbs almost 100% of the energy incident on it at the resonance of the surface plasmon-polariton, has been theoretically investigated. To increase the bandwidth of the device, it is proposed to place 2-3 parallel graphene ribbons with close lengths in one elementary cell of the metasurface. It is shown that at resonance frequencies the generated power of the third harmonic increases by several orders of magnitude and can be increased in comparison with single-layer structures with an increase in the number of layers and packing density of graphene microribbon arrays and when using multilayer substrates.

Citation Download Citation

Alexander M. Lerer, Galina S. Makeeva, Vladimir V. Cherepanov, and Irina N. Ivanova "Reconfigurable broadband terahertz perfect absorbers and generators based on multilayer graphene ribbon plasmonic structures", Proc. SPIE 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling, 118460B (4 May 2021); https://doi.org/10.1117/12.2585702

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