Terahertz Resonant Detection by Plasma Waves in Nanometric Transistors

• Authors: F. Teppe , A. El Fatimy , S. Boubanga , W. Knap , D. Seliuta , G. Valusis , B. Chenaud
• Languages of publication: EN

Abstracts

EN

The plasma waves in gated two-dimensional electron gas have a linear dispersion law, similar to the sound waves. The transistor channel is acting as a resonator cavity for the plasma waves, which can reach frequencies in the THz range for a sufficiently short gate length field effect transistors. A variety of possible applications of field effect transistor operating as a THz device were suggested. In particular, it was shown that the nonlinear properties of plasma oscillations can be utilized for THz tunable detectors. During the last few years THz detection related to plasma wave instabilities in nanometer size field effect transistors was demonstrated experimentally. In this work we review our recent experimental results on the resonant plasma wave detection at cryogenic and room temperatures.

Keywords

EN

71.20.Nr; 71.45.Lr; 72.30.+q

Discipline

• 71.45.Lr: Charge-density-wave systems(see also 75.30.Fv Spin-density waves)
• 72.30.+q: High-frequency effects; plasma effects
• 71.20.Nr: Semiconductor compounds

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 113
• Issue: 3
• Pages: 815-820

Dates

published

2008-03

received

2007-08-26

Contributors

author

F. Teppe

• GES, CNRS-Universite Montpellier 2, 34095 Montpellier, France

author

A. El Fatimy

• GES, CNRS-Universite Montpellier 2, 34095 Montpellier, France

author

S. Boubanga

• GES, CNRS-Universite Montpellier 2, 34095 Montpellier, France

author

W. Knap

• GES, CNRS-Universite Montpellier 2, 34095 Montpellier, France

author

D. Seliuta

• Semiconductor Physics Institute, A. Goštauto 11, LT- 01108 Vilnius, Lithuania

author

G. Valusis

• Semiconductor Physics Institute, A. Goštauto 11, LT- 01108 Vilnius, Lithuania

author

B. Chenaud

• University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo, 153-8902, Japan

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Identifiers

DOI

10.12693/APhysPolA.113.815