Spectral, spatial and polarization-selective perfect absorbers with large magnetic response for sensing and thermal emission control
Author(s)
Tsurimaki, Yoichiro; Boriskina, Svetlana V; Huang, Yi; Chen, Gang
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Spectral, spatial, and polarization selective perfect absorption of light in periodic metal-dielectric-metal nanoslits, each of which supporting a single electric-field anti-symmetric surface mode, is systematically studied. Our numerical analysis shows complete absorption of p-polarized light associated with large magnetic field enhancement at wavelengths from the visible to the mid-infrared range and roles played by the geometrical parameters of the structure. This understanding is then applied to the design of the structure with multiple nanoslits in a period that exhibits complete absorption at multiple wavelengths. Semi-analytical expression of the zeroth mode reflectance is derived, which shows a good agreement with numerical simulations and yields clear insight into the underlying physics of light-matter interactions in the structure.
Date issued
2019-07Department
Massachusetts Institute of Technology. Department of Mechanical EngineeringJournal
Optics Express
Publisher
The Optical Society
Citation
Tsurimaki, Yoichiro et al. "Spectral, spatial and polarization-selective perfect absorbers with large magnetic response for sensing and thermal emission control." Optics Express, 27, 26 (July 2019): A1041-A1059 © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Version: Final published version
ISSN
1094-4087
Keywords
Atomic and Molecular Physics, and Optics