Terahertz-frequency quantum oscillator operating in the positive differential resistance region

Peiji Zhao; Dwight Woolard; Matthew Lasater; C. T. Kelley; Robert Trew

doi:10.1117/12.602727

18 May 2005 Terahertz-frequency quantum oscillator operating in the positive differential resistance region

Peiji Zhao, Dwight Woolard, Matthew Lasater, C. T. Kelley, Robert Trew

Proceedings Volume 5790, Terahertz for Military and Security Applications III; (2005) https://doi.org/10.1117/12.602727
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

The traditional implementation of resonant tunneling diodes (RTD) as a high-frequency power source always requires the utilization of negative-differential resistance (NDR). However, there are inherent problems associated with effectively utilizing the two-terminal NDR gain to achieve significant levels of output power. This paper will present a new design methodology where resonant tunneling structures (RTS) are engineered to exhibit electronic instabilities within the positive-differential-resistance (PDR) region. As will be demonstrated, this approach utilizes a microscopic instability that alleviates the need to reduce device area (and therefore output power) in an effort to achieve low-frequency stabilization.

Citation Download Citation

Peiji Zhao, Dwight Woolard, Matthew Lasater, C. T. Kelley, and Robert Trew "Terahertz-frequency quantum oscillator operating in the positive differential resistance region", Proc. SPIE 5790, Terahertz for Military and Security Applications III, (18 May 2005); https://doi.org/10.1117/12.602727

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