Enhanced Terahertz Amplification Based on Photo-Excited Graphene-Dielectric Hybrid Metasurface
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DOI: 10.3390/nano10122448
Abstract: 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.… read more here.
Keywords: amplification based; terahertz amplification; graphene dielectric; metasurface ... See more keywords