Multiple Quantum-Well Tunneling Calculations For Asymmetric Superlattices

Kevin Brennan; Christopher J. Summers

doi:10.1117/12.967541

1 January 1987 Multiple Quantum-Well Tunneling Calculations For Asymmetric Superlattices

Kevin Brennan, Christopher J. Summers

Proceedings Volume 0836, Optoelectronic Materials, Devices, Packaging, and Interconnects; (1987) https://doi.org/10.1117/12.967541
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

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.

Citation Download Citation

Kevin Brennan and Christopher J. Summers "Multiple Quantum-Well Tunneling Calculations For Asymmetric Superlattices", Proc. SPIE 0836, Optoelectronic Materials, Devices, Packaging, and Interconnects, (1 January 1987); https://doi.org/10.1117/12.967541

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