Effect of contacts on terahertz plasma resonances in two-dimensional electron systems

Akira Satou; Victor Ryzhii; Nizami Vagidov; Vladimir Mitin; Taiichi Otsuji

doi:10.1109/SISPAD.2008.4648271

Effect of contacts on terahertz plasma resonances in two-dimensional electron systems

Akira Satou, Victor Ryzhii, Nizami Vagidov, Vladimir Mitin, Taiichi Otsuji

Broadband Engineering Division

Research output: Contribution to conference › Paper › peer-review

2 Citations (Scopus)

Abstract

We study the effect of side contacts on plasma oscillations in two-dimensional (2D) electron systems by numerical simulation. Our model is based on the kinetic electron transport equation and the self-consistent Poisson equation. We find that the contacts absorb the energy of plasma oscillations excited in the 2D electron channel and consequently this effect can be a dominant damping mechanism, surpassing the damping due to the electron collisions. We estimate the damping rate caused by the contacts and discuss its dependence on the real contact injection properties and temperature.

Original language	English
Pages	197-200
Number of pages	4
DOIs	https://doi.org/10.1109/SISPAD.2008.4648271
Publication status	Published - 2008 Dec 1
Event	2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008 - Hakone, Japan Duration: 2008 Sep 9 → 2008 Sep 11

Other

Other	2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008
Country	Japan
City	Hakone
Period	08/9/9 → 08/9/11

ASJC Scopus subject areas

Electrical and Electronic Engineering
Computer Science Applications
Modelling and Simulation

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Effect of contacts on terahertz plasma resonances in two-dimensional electron systems. / Satou, Akira; Ryzhii, Victor; Vagidov, Nizami; Mitin, Vladimir; Otsuji, Taiichi.

2008. 197-200 Paper presented at 2008 International Conference on Simulation of Semiconductor Processes and Devices, SISPAD 2008, Hakone, Japan.

Research output: Contribution to conference › Paper › peer-review

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AU - Satou, Akira

AU - Ryzhii, Victor

AU - Vagidov, Nizami

AU - Mitin, Vladimir

AU - Otsuji, Taiichi

PY - 2008/12/1

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N2 - We study the effect of side contacts on plasma oscillations in two-dimensional (2D) electron systems by numerical simulation. Our model is based on the kinetic electron transport equation and the self-consistent Poisson equation. We find that the contacts absorb the energy of plasma oscillations excited in the 2D electron channel and consequently this effect can be a dominant damping mechanism, surpassing the damping due to the electron collisions. We estimate the damping rate caused by the contacts and discuss its dependence on the real contact injection properties and temperature.

AB - We study the effect of side contacts on plasma oscillations in two-dimensional (2D) electron systems by numerical simulation. Our model is based on the kinetic electron transport equation and the self-consistent Poisson equation. We find that the contacts absorb the energy of plasma oscillations excited in the 2D electron channel and consequently this effect can be a dominant damping mechanism, surpassing the damping due to the electron collisions. We estimate the damping rate caused by the contacts and discuss its dependence on the real contact injection properties and temperature.

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