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27 March 2013 Antenna-coupled heterostructure field effect transistors for integrated terahertz heterodyne mixers
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Abstract
We present the realization of high electron mobility transistors on GaN-heterostructures usable for mixing and rectification in the THz range. Device fabrication is fully compatible with industrial processes employed for millimetre wave integrated circuits. On-chip, integrated, polarization-sensitive, planar antennas were designed to allow selective coupling of THz radiation to the three terminals of field effect transistors in order to explore different mixing schemes for frequencies well above the cutoff frequency for amplification. The polarization dependence of the spectral response in the 0.18-0.40 THz range clearly demonstrated the possible use as integrated heterodyne mixers.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alessandra Di Gaspare, Valeria Giliberti, Roberto Casini, Ennio Giovine, Florestanto Evangelisti, Dominique Coquillat, Wojciech Knap, Sergey Sadofev, Raffaella Calarco, Massimiliano Dispenza, Claudio Lanzieri, and Michele Ortolani "Antenna-coupled heterostructure field effect transistors for integrated terahertz heterodyne mixers", Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 862416 (27 March 2013); https://doi.org/10.1117/12.2004087
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