Plasma Instability and Nonlinear Terahertz Oscillations in Resonant-Tunneling Structures.

  • Ryzhii Victor
    Computer Solid State Physics Laboratory, University of Aizu, Aizu-Wakamatsu 965-8580, Japan
  • Shur Michael
    Department of Electrical, Computer, and Systems Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

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Abstract

We demonstrate that the self-excitation of plasma oscillations in a resonant-tunneling transistor structure results in the generation of transient current at frequencies in the terahertz range. The amplitudes and the frequencies of different modes of the generated oscillations can be tuned by the voltage.

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