Fast Time Response of THz detection in JLFET

Fabrizio Palma,Przemyslaw Zagrajek,Michal Zaborowski,Jacek Marczewski,Giammarco Di Tomassi,Ivan Mazzetta

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)（2021）

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摘要

The speed of detectors represents a crucial point in the definition of the communication system using THz carrier. Rectification performed by MOS structures was usually detected by lock-in amplifiers, thus appears quite slow. We show by theoretical analysis and TCAD simulations that JLFET is intrinsically very fast, and that velocity may increase by a new approach of detection through the gate capacitance charging. The experimental results confirm the conclusions.

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关键词

theoretical analysis,JLFET,fast time response,THz detection,communication system,THz carrier,MOS structures,lock-in amplifiers,TCAD simulations,gate capacitance charging

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