Time dependence of transmission in semiconductor superlattices
C. N. Veenstra, W. van Dijk, D. W. L. Sprung, J. Martorell
TL;DR
This paper investigates how the time delay of electron transmission in semiconductor superlattices can be reduced by using anti-reflection coatings, enhancing both speed and efficiency.
Contribution
It demonstrates that anti-reflection coatings significantly decrease transmission time delay in semiconductor superlattices, improving their performance.
Findings
Anti-reflection coatings reduce electron transmission delay
Coatings increase transmissivity of superlattices
Time delay is directly studied via numerical solutions
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 Schr\"odinger 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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Taxonomy
TopicsSemiconductor Quantum Structures and Devices · Photonic and Optical Devices · Semiconductor Lasers and Optical Devices