Analytical and computer models of terahertz HEMT photomixer

Victor Ryzhii; Akira Satou; Irina Khmyrova; Maxim Ryzhii; Taiichi Otsuji; Michael S. Shur

doi:10.1117/12.548948

1 September 2004 Analytical and computer models of terahertz HEMT photomixer

Victor Ryzhii, Akira Satou, Irina Khmyrova, Maxim Ryzhii, Taiichi Otsuji, Michael S. Shur

Proceedings Volume 5466, Microwave and Terahertz Photonics; (2004) https://doi.org/10.1117/12.548948
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We develop device models of a terahertz (THz) photomixer based on a high-electron mobility transistor (HEMT) structure utilizing the excitation of electron plasma oscillations in the HEMT channel by the electrons and holes photogenerated by optical signals. We use hydrodynamic equations both for electrons in the channel and for photoelectrons and photoholes in the absorption layer, or hydrodynamic equations for electrons in the channel combined with a kinetic description of the photogenerated carriers, and the Poisson equation for the self-consistent electric field. The models are used for an analytical as well as numerical (based on an ensemble Monte Carlo particle technique) analysis of the HEMT-photomixer operation in the THz frequency range.

Citation Download Citation

Victor Ryzhii, Akira Satou, Irina Khmyrova, Maxim Ryzhii, Taiichi Otsuji, and Michael S. Shur "Analytical and computer models of terahertz HEMT photomixer", Proc. SPIE 5466, Microwave and Terahertz Photonics, (1 September 2004); https://doi.org/10.1117/12.548948

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