Optoelectronic mixing with high frequency graphene transistors

Alberto Montanaro , Wei Wei , Domenico De Fazio , Ugo Sassi , Giancarlo Soavi , Andrea C Ferrari , Henri Happy , Pierre Legagneux

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Emiliano Pallecchi

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classification ⚛️ physics.app-ph

keywords optoelectronicgrapheneapplicationsmixingabsorptionback-gatedcmos-compatibilitycurrent

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Graphene is ideally suited for optoelectronic applications. It offers absorption at telecom wavelengths, high-frequency operation and CMOS-compatibility. We report optoelectronic mixing up to to 67GHz using a back-gated graphene field effect transistor (GFET). We also present a model to describe the resulting mixed current. These results pave the way for GETs optoelectronic mixers for mm-wave applications, such as telecommunications and RADAR/LIDAR systems.

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Optoelectronic mixing with high frequency graphene transistors

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