Microwave Generation in Synchronized Semiconductor Superlattices

M. B. Gaifullin, N. V. Alexeeva, A. E. Hramov, V. V. Makarov, V. A. Maksimenko, A. A. Koronovskii, M. T. Greenaway, T. M. Fromhold, A. Patanè, C. J. Mellor, F. V. Kusmartsev, A. G. Balanov

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Abstract

We study high-frequency generation in a system of electromagnetically coupled semiconductor superlattices fabricated on the same doped substrate. Applying a bias voltage to a single superlattice generates high-frequency current oscillations. We demonstrate that within a certain range of the applied voltage, the current oscillations within the superlattices can be self-synchronized, which leads to a dramatic rise in the generated microwave power. These results, which are in good agreement with our numerical model, open a promising practical route towards the design of high-power miniature microwave generators.

Original languageBritish English
Article number044024
JournalPhysical Review Applied
Volume7
Issue number4
DOIs
StatePublished - 27 Apr 2017

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