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Proposal and Analysis of a Three-Terminal Photon-Assisted Tunneling Device Operating in the Terahertz Frequency Range
IEICE TRANSACTIONS on Electronics
Publication Date: 1996/11/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Quantum Effect Devices and Their Fabrication Technologies)
resonant tunneling, photon-assisted tunneling, beat of electron waves, three-terminal device, terahertz frequency amplification,
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A three-terminal quantum device utilizing photon-assisted tunneling in a multilayer structure is proposed and analyzed in terms of its high frequency amplification characteristics. The operation principle of this device includes photonassisted tunneling at the input, formation of a propagating charge wave due to the beat of tunneling electrons and its acceleration, and radiation of electromagnetic waves at the output. Analysis of these operations, discussion of similarities and dissimilarities to classical klystrons, and estimation of the power gain and its frequency dependence are given. A simple example demonstrates that amplification up to the terahertz frequency range is possible using this device.