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The subband current is evaluated by solving the non-equilibrium Green's function (NEGF) self-consistently with Poisson's equation for the double-gate MOSFETs with different channel lengths and thicknesses. The characteristics of subband current ratio and the details of subband number M are simulated, and the results show that the characteristics of current are determined by the first subband when...
Terahertz (THZ) detection by field effect transistors (FETs) has been paid great attention in recent years. This paper outlined the numerical study of terahertz radiation detection by FETs in our group, including the fundamental THz detection model, detection model with two sources, heterodyne detection model and optical beating model. These study results demonstrated the potential application of...
Modeling of resonant detection of terahertz (THz) radiation of Metal-Oxide-Semiconductor (MOS) field effect transistors (FETs) under the optical beating mode is studied in this paper. An analytical model is first proposed which covers all operation regions of FETs from sub-threshold to the strong inversion, and then is verified by the numerical tool which has been improved to simulate THz detection...
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