Terahertz oscillation of longitudinal waves in the sold state plasma in InSb

Katsutoshi Kamakura

doi:10.1117/12.634546

8 June 2005 Terahertz oscillation of longitudinal waves in the sold state plasma in InSb

Katsutoshi Kamakura

Proceedings Volume 5851, Fundamental Problems of Optoelectronics and Microelectronics II; (2005) https://doi.org/10.1117/12.634546
Event: Fundamental Problems of Optoelectronics and Microelectronics II, 2004, Khabrovsk, Russian Federation

Abstract

It is clarified that the absolute instability corresponding to the terahertz oscillation occurs at the high electron-hole plasma density in InSb. The computer analysis of the dispersion equation for longitudinal waves in the solid state plasma in InSb is performed for arbitrary orientations of the carrier drift velocity relative to the external magnetic field. The oscillation frequencies of terahertz waves are increased with the electron-hole plasma density, the external magnetic field and the angle θ. (θ is an angle between the carrier drift velocity and the external magnetic field) The maximum frequency of the terahertz waves is 5.0 THz at the electron-hole density of 1 X 10¹⁹ cm^-3 and the transverse magnetic field of 20 kG. In this case the wavelength λ is 16 nm and the phase velocity u_p is 0.8 X 10⁷ cm/sec.

Citation Download Citation

Katsutoshi Kamakura "Terahertz oscillation of longitudinal waves in the sold state plasma in InSb", Proc. SPIE 5851, Fundamental Problems of Optoelectronics and Microelectronics II, (8 June 2005); https://doi.org/10.1117/12.634546

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