Terahertz Detection by the Entire Channel of High Electron Mobility Transistors

Institute of Experimental Physics, University of Warsaw Hoza 69, 00-681 Warsaw, Poland Fraunhofer-Institut fur Angewandte Festkorperphysik D-79108 Freiburg, Germany Semiconductor Physics Institute, A. Gostauto 11, Vilnius LT-01108, Lithuania and Institute of Materials Science and Applied Research, Vilnius University Sauletekio av. 9, LT-10222, Vilnius, Lithuania Institute of Electron Technology, al. Lotnikow 32/46, 02-668 Warsaw, Poland Institute of Electronic Materials Technology Wolczynska 133, 01-919 Warsaw, Poland