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- Terahertz radiation detection by double grating-gate transistors in high magnetic fields hal link

Auteur(s): But D., Diakonova N., Coquillat D., Teppe F., Knap W., Watanabe Takayuki, Tanimoto Yudai, Tombet Stephane Boubanga, Otsuji Taiichi

Conference: 2012 37TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) (, FR, 2012-09-23)
Actes de conférence: International Conference on Infrared Millimeter and Terahertz Waves, vol. p.1 - 2 (2012)


Ref HAL: hal-00955623_v1
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Résumé:

Double-grating-gate field-effect transistors have a great potential as terahertz detectors. The double grating gate serves not only for carrier density tuning but also as an efficient THz radiation coupler. Low and high magnetic field detection results are used to determine the electron mobility and electron concentration, respectively, in the different parts of the channel.