Optoelectronic Mixer Based on Graphene FET
Electron Device Letters, IEEE (2015)
摘要
We present optoelectronic mixing phenomenon in graphene FET (GFET) and give a brief analysis for the first time. Demonstrated by a measurement system, two operating modes of optoelectronic mixer (OE-mixer) circuits are proposed, either of them mixing optical and electrical signals directly using a single GFET. Optoelectronic conversion losses of 24 and 35 dB are obtained in a 50-Ω impedance system, respectively. GFET OE-mixer might be of strong importance for radio over fiber systems, millimeter wave, and terahertz frequencies applications.
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关键词
field effect transistors,graphene,measurement systems,mixers (circuits),optoelectronic devices,oe-mixer circuits,electrical signals,graphene fet,loss 24 db,loss 35 db,measurement system,millimeter wave applications,mixing optical,operating modes,optoelectronic mixing phenomenon,radio over fiber systems,single gfet,terahertz frequencies applications,fets,mixer,optoelectronic,logic gates,photoconductivity,impedance,detectors
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