Time dependence of transmission in semiconductor superlattices
C. N. Veenstra, W. van Dijk, D. W. L. Sprung, J. Martorell
Abstract
Time delay in electron propagation through a finite periodic system such as a semiconductor superlattice is studied by direct numerical solution of the time-dependent Schrödinger equation. It is found that addition of an anti-reflection coating significantly reduces the time delay, in addition to increasing the transmissivity.
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