Nonreciprocal-Beam Metasurfaces Based on Asymmetric Frequency-Phase Transitions in Time-Modulated Meta-Atoms
Nonreciprocal-Beam Metasurfaces Based on Asymmetric Frequency-Phase Transitions in Time-Modulated Meta-Atoms
We present a full-duplex nonreciprocal-beam-steering transmissive phase-gradient metasurface realized by leveraging the unique characteristics of the frequency-phase transition in twin time-modulated meta-atoms. Such a metasurface can provide directive and diverse radiation beams, and steerable beams by simply changing the modulation phase. The proposed twin meta-atoms inherently suppress undesired time harmonics, yielding a high conversion efficiency.
901-902
Taravati, Sajjad
0026f25d-c919-4273-b956-8fe9795b31ce
Eleftheriades, George V.
280bbae6-32df-4af5-bcad-110f38ad72e7
5 July 2020
Taravati, Sajjad
0026f25d-c919-4273-b956-8fe9795b31ce
Eleftheriades, George V.
280bbae6-32df-4af5-bcad-110f38ad72e7
Taravati, Sajjad and Eleftheriades, George V.
(2020)
Nonreciprocal-Beam Metasurfaces Based on Asymmetric Frequency-Phase Transitions in Time-Modulated Meta-Atoms.
In 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, IEEECONF 2020 - Proceedings.
IEEE.
.
(doi:10.1109/IEEECONF35879.2020.9330202).
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Conference or Workshop Item
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Abstract
We present a full-duplex nonreciprocal-beam-steering transmissive phase-gradient metasurface realized by leveraging the unique characteristics of the frequency-phase transition in twin time-modulated meta-atoms. Such a metasurface can provide directive and diverse radiation beams, and steerable beams by simply changing the modulation phase. The proposed twin meta-atoms inherently suppress undesired time harmonics, yielding a high conversion efficiency.
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Published date: 5 July 2020
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© 2020 IEEE.
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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, IEEECONF 2020, , Virtually, Toronto, Canada, 2020-07-05 - 2020-07-10
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Local EPrints ID: 482696
URI: http://eprints.soton.ac.uk/id/eprint/482696
PURE UUID: c0f14c4d-743c-4577-a123-b97a34b4f905
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Date deposited: 11 Oct 2023 16:53
Last modified: 02 May 2024 02:05
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Author:
Sajjad Taravati
Author:
George V. Eleftheriades
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