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Bloch gain for terahertz radiation in semiconductor superlattices of different miniband widths mediated by acoustic and optical phonons

DOI to cite this document:
10.5283/epub.1683
Demarina, N. V. ; Renk, Karl Friedrich
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Date of publication of this fulltext: 05 Aug 2009 13:31


Abstract

We report a study of the role of electron scattering at acoustic and polar optic phonons for Bloch gain of a terahertz radiation in semiconductor superlattices of different miniband widths. A three-dimensional Monte Carlo method was employed to calculate the dynamic mobility of miniband electrons in GaAs/AlAs superlattices subject to both static and high-frequency fields at low temperature (4 ...

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