Active Switching of Toroidal Resonances by Using a Dirac Semimetal for Terahertz Communication
The dynamical switching of a toroidal dipole resonance channel is demonstrated by tuning the Fermi level of a Dirac semimetal film sandwiched between the back substrates. As the Fermi level is increased from 30 to 150 meV, the resonance frequency is switched from 0.283 to 0.201 THz because of the tr...
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| Autori principali: | , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Frontiers Media S.A.
2020-12-01
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| Serie: | Frontiers in Physics |
| Soggetti: | |
| Accesso online: | https://www.frontiersin.org/articles/10.3389/fphy.2020.602772/full |
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