skip to main content

SciTech ConnectSciTech Connect

Title: Resonant tunneling assisted propagation and amplification of plasmons in high electron mobility transistors

A rigorous theoretical and computational model is developed for the plasma-wave propagation in high electron mobility transistor structures with electron injection from a resonant tunneling diode at the gate. We discuss the conditions in which low-loss and sustainable plasmon modes can be supported in such structures. The developed analytical model is used to derive the dispersion relation for these plasmon-modes. A non-linear full-wave-hydrodynamic numerical solver is also developed using a finite difference time domain algorithm. The developed analytical solutions are validated via the numerical solution. We also verify previous observations that were based on a simplified transmission line model. It is shown that at high levels of negative differential conductance, plasmon amplification is indeed possible. The proposed rigorous models can enable accurate design and optimization of practical resonant tunnel diode-based plasma-wave devices for terahertz sources, mixers, and detectors, by allowing a precise representation of their coupling when integrated with other electromagnetic structures.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;
  1. Electrical and Computer Engineering Department, The Ohio State University, Columbus, OH 43212 (United States)
  2. Electrical and Computer Engineering Department, The University of Utah, Salt Lake City, UT 84112 (United States)
  3. School of Electrical and Computer Engineering and Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853 (United States)
  4. (United States)
  5. Electrical and Computer Engineering Department and Materials Science Engineering Department, The Ohio State University, Columbus, OH 43212 (United States)
Publication Date:
OSTI Identifier:
22494847
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 119; Journal Issue: 1; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ALGORITHMS; AMPLIFICATION; ANALYTICAL SOLUTION; COUPLING; DESIGN; DISPERSION RELATIONS; ELECTRON BEAM INJECTION; ELECTRON MOBILITY; LOSSES; MIXERS; NONLINEAR PROBLEMS; NUMERICAL SOLUTION; OPTIMIZATION; PLASMA WAVES; PLASMONS; POWER TRANSMISSION LINES; TRANSISTORS; TUNNEL DIODES; TUNNEL EFFECT