Microwave generation in synchronized semiconductor superlatticesTools Gaifullin, M.B., Alexeeva, N.V., Hramov, A.E., Makarov, V.V., Maksimenko, V.A., Koronovskii, A.A., Greenaway, M.T., Fromhold, T.M., Patanè, Amalia, Mellor, Christopher J., Kusmartsev, F.V. and Balanov, A.G. (2017) Microwave generation in synchronized semiconductor superlattices. Physical Review Applied, 7 (4). 044024/1-044024/7. ISSN 2331-7019 Full text not available from this repository.AbstractWe 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.
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