V.V. Makarov
Sub-terahertz amplification in a semiconductor superlattice with moving charge domains
Makarov, V.V.; Hramov, A.E.; Koronovskii, A.A.; Alekseev, K.N.; Maximenko, V.A.; Greenaway, M.T.; Fromhold, T.M.; Moskalenko, O.I.; Balanov, A.G.
Authors
A.E. Hramov
A.A. Koronovskii
K.N. Alekseev
V.A. Maximenko
M.T. Greenaway
MARK FROMHOLD mark.fromhold@nottingham.ac.uk
Professor of Physics
O.I. Moskalenko
A.G. Balanov
Abstract
We theoretically study the high-frequency response of charge domains traveling through a strongly coupled semiconductor superlattice with an applied harmonic electromagnetic signal. Our calculations show that the superlattice alone can amplify signals with a frequency close to the domain transient frequency. Moreover, we show that if the superlattice is connected to a resonator, amplification becomes possible for much higher frequencies of the external signal (several hundred GHz). These promising results open the way to using semiconductor superlattices as efficient sub-THz amplifiers.
Citation
Makarov, V., Hramov, A., Koronovskii, A., Alekseev, K., Maximenko, V., Greenaway, M., …Balanov, A. (2015). Sub-terahertz amplification in a semiconductor superlattice with moving charge domains. Applied Physics Letters, 106(4), Article 043503. https://doi.org/10.1063/1.4906531
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 13, 2015 |
Online Publication Date | Jan 29, 2015 |
Publication Date | Feb 28, 2015 |
Deposit Date | Feb 6, 2018 |
Print ISSN | 0003-6951 |
Electronic ISSN | 1077-3118 |
Publisher | AIP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 106 |
Issue | 4 |
Article Number | 043503 |
DOI | https://doi.org/10.1063/1.4906531 |
Public URL | https://nottingham-repository.worktribe.com/output/1112154 |
Publisher URL | https://aip.scitation.org/doi/10.1063/1.4906531 |
PMID | 00034899 |
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