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5 March 2021 Inverse-design of high-contrast metastructures for terahertz antennas
Conner Ballew, Gregory Roberts, Andrei Faraon
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Proceedings Volume 11695, High Contrast Metastructures X; 116950Z (2021) https://doi.org/10.1117/12.2578801
Event: SPIE OPTO, 2021, Online Only
Abstract
Three-dimensional metastructures are capable of surpassing planar metasurfaces in performance and range of functionality. Design of 3D devices is less intuitive than 2D metasurfaces, but is tractable with the help of inverse-design techniques. This talk will discuss the difficulties with employing gradient-based inverse optimization on high index-contrast devices, and will present innovative solutions to address this. The design methodology is applied to submillimeter-wave antenna design fabricated entirely with etched Silicon. This talk may be interesting to those interested in electromagnetic design for any frequency band, and the targeted application may be interesting to the terahertz astrophysics community.
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Conner Ballew, Gregory Roberts, and Andrei Faraon "Inverse-design of high-contrast metastructures for terahertz antennas", Proc. SPIE 11695, High Contrast Metastructures X, 116950Z (5 March 2021); https://doi.org/10.1117/12.2578801
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KEYWORDS
Antennas
Optimization (mathematics)
3D equipment
Instrument modeling
Silicon
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