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Enhanced Terahertz Amplification Based on Photo-Excited Graphene-Dielectric Hybrid Metasurface
Graphene under optical pump has been shown to be an attractive gain medium with negative dynamic conductivity at terahertz frequencies. However, the amplification over a monolayer graphene is very weak due to its one-atom thickness. In this paper, the proposed graphene-dielectric reflective metasurf...
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| Pubblicato in: | Nanomaterials (Basel) |
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| Autori principali: | , , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
MDPI
2020
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7762423/ https://ncbi.nlm.nih.gov/pubmed/33297545 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/nano10122448 |
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