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3 October 2022 Reconfigurable thermal absorbers and emitters
Michelle L. Povinelli, Romil Audhkhasi, Alok Ghanekar, Mashnoon Sakib, Ahmed Morsy, Bo Shrewsbury
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Proceedings Volume PC12196, Active Photonic Platforms 2022; PC1219607 (2022) https://doi.org/10.1117/12.2633759
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
We investigate strategies for designing metasurfaces with electrically reconfigurable infrared absorption and emission spectra. We use coupled-mode theory to provide a framework for design. One approach to tuning uses localized photonic resonators, while a second approach uses extended grating modes. We investigate the use of symmetry-breaking and period-doubling strategies to create, destroy, and shift spectral absorption lines. Such strategies are anticipated to be useful for the communication of information on multiple wavelength channels in the infrared.
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Michelle L. Povinelli, Romil Audhkhasi, Alok Ghanekar, Mashnoon Sakib, Ahmed Morsy, and Bo Shrewsbury "Reconfigurable thermal absorbers and emitters", Proc. SPIE PC12196, Active Photonic Platforms 2022, PC1219607 (3 October 2022); https://doi.org/10.1117/12.2633759
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KEYWORDS
Absorption
Infrared radiation
Resonators
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