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Time Resolution and Dynamic Range of Field-Effect Transistor–Based Terahertz Detectors

Zagrajek, Przemyslaw ; Danilov, Sergey N. ; Marczewski, Jacek ; Zaborowski, Michal ; Kolacinski, Cezary ; Obrebski, Dariusz ; Kopyt, Pawel ; Salski, Bartlomiej ; But, Dmytro ; Knap, Wojciech ; Ganichev, Sergey D.


We studied time resolution and response power dependence of three terahertz detectors based on significantly different types of field-effect transistors. We analyzed the photoresponse of custom-made Si junctionless FETs, Si-MOSFETs, and GaAs-based high-electron-mobility transistor detectors. Applying monochromatic radiation of a high-power, pulsed, line-tunable molecular THz laser, which operated ...


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