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Proceedings Paper

Multiple Quantum-Well Tunneling Calculations For Asymmetric Superlattices
Author(s): Kevin Brennan; Christopher J. Summers
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Paper Abstract

We present a theoretical model for analyzing resonant tunneling processes in a multi-layer superlattice structure. The model is then applied to the analysis of asymmetric superlattices formed by varying the well widths in a natural series progression, i.e., Fibonacci and Odd series variations. These structures are analyzed at zero and applied bias. Plots of the transmissivity vs. energy, current density vs. applied voltage, and the wavefunction amplitude vs. real space position are presented. Finally, we show that a new superlattice concept, the variably spaced superlattice energy filter, leads to resonant alignment under bias with subsequent control of carrier injection energy.

Paper Details

Date Published: 1 January 1987
PDF: 10 pages
Proc. SPIE 0836, Optoelectronic Materials, Devices, Packaging, and Interconnects, (1 January 1987); doi: 10.1117/12.967541
Show Author Affiliations
Kevin Brennan, Georgia Institute of Technology (United States)
Christopher J. Summers, Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 0836:
Optoelectronic Materials, Devices, Packaging, and Interconnects
Theodore E. Batchman; Richard Franklin Carson; Robert L. Galawa; Henry J. Wojtunik, Editor(s)

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