Impurity bands and sequential resonant tunneling in the presence of terahertz fields
Andreas Wacker, Antti-Pekka Jauho, Stefan Zeuner, S. James Allen
Abstract
A theoretical and experimental study of transport in a low doped multiple quantum well structure shows that impurity bands are essential in understanding the electronic transport both with and without terahertz irradiation. A full self-contained model, which involves only the nominal parameters of the sample, agrees quantitatively with a wide range of experiments.
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