Subharmonic mixing at 0.6 THz in an AlGaAs/InGaAs/AlGaAs field effect transistor

Valeria Giliberti; Alessandra Di Gaspare; Ennio Giovine; Sebastian Boppel; Alvydas Lisauskas; Hartmut G. Roskos; Michele Ortolani

doi:10.1117/12.2039789

7 March 2014 Subharmonic mixing at 0.6 THz in an AlGaAs/InGaAs/AlGaAs field effect transistor

Valeria Giliberti, Alessandra Di Gaspare, Ennio Giovine, Sebastian Boppel, Alvydas Lisauskas, Hartmut G. Roskos, Michele Ortolani

Author Affiliations +

Proceedings Volume 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII; 89851M (2014) https://doi.org/10.1117/12.2039789
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We measured the nonlinear response of field effect transistors fabricated with GaAs-based heterostructures by performing direct detection, heterodyne and subharmonic mixing measurements. The study of the spectral responsivity as a function of different antenna coupling is presented in the 0.18-0.4 GHz range. We also verified the subharmonic and heterodyne mixing at 0.6 THz in a HFET detector with a broadband antenna.

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Valeria Giliberti, Alessandra Di Gaspare, Ennio Giovine, Sebastian Boppel, Alvydas Lisauskas, Hartmut G. Roskos, and Michele Ortolani "Subharmonic mixing at 0.6 THz in an AlGaAs/InGaAs/AlGaAs field effect transistor", Proc. SPIE 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII, 89851M (7 March 2014); https://doi.org/10.1117/12.2039789

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