Extremely efficient terahertz high-harmonic generation in graphene by hot Dirac fermions
Sign Up to like & getrecommendations! Published in 2018 at "Nature"
DOI: 10.1038/s41586-018-0508-1
Abstract: Multiple optical harmonic generation—the multiplication of photon energy as a result of nonlinear interaction between light and matter—is a key technology in modern electronics and optoelectronics, because it allows the conversion of optical or electronic… read more here.
Keywords: harmonic generation; generation graphene; efficient terahertz; generation ... See more keywords
An efficient Terahertz rectifier on the graphene/SiC materials platform
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DOI: 10.1038/s41598-019-47606-6
Abstract: We present an efficient Schottky-diode detection scheme for Terahertz (THz) radiation, implemented on the material system epitaxial graphene on silicon carbide (SiC). It employs SiC as semiconductor and graphene as metal, with an epitaxially defined… read more here.
Keywords: rectifier graphene; graphene; graphene sic; terahertz rectifier ... See more keywords
Efficient Terahertz Harmonic Generation with Coherent Acceleration of Electrons in the Dirac Semimetal Cd_{3}As_{2}.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.124.117402
Abstract: We report strong terahertz (∼10^{12} Hz) high harmonic generation at room temperature in thin films of Cd_{3}As_{2}, a three-dimensional Dirac semimetal. Third harmonics are detectable with a tabletop light source and can be as strong as… read more here.
Keywords: efficient terahertz; harmonic generation; coherent acceleration; dirac semimetal ... See more keywords