Articles with "enhanced frequency" as a keyword



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Enhanced Frequency-Upconverted Photoluminescence and Terahertz Emission From Graphene

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Published in 2017 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2017.2691261

Abstract: Graphene is a gapless material with a linear energy–momentum dispersion relationship. Because of its unique band structure, graphene has been demonstrated as an ultra-broadband photon absorption material from the visible to terahertz frequency ranges. Here,… read more here.

Keywords: graphene; enhanced frequency; emission graphene; terahertz ... See more keywords
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Widely tunable cavity-enhanced frequency combs.

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Published in 2020 at "Optics letters"

DOI: 10.1364/ol.389412

Abstract: We describe the cavity enhancement of frequency combs over a wide tuning range of 450-700 nm (${ \gt }7900\;{{\rm cm}^{ - 1}} $>7900cm-1), covering nearly the entire visible spectrum. Tunable visible frequency combs from a… read more here.

Keywords: tunable cavity; enhanced frequency; frequency combs; cavity enhanced ... See more keywords