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Subterahertz chaos generation by coupling a superlattice to a linear resonator.
Hramov, A E; Makarov, V V; Koronovskii, A A; Kurkin, S A; Gaifullin, M B; Alexeeva, N V; Alekseev, K N; Greenaway, M T; Fromhold, T M; Patanè, A; Kusmartsev, F V; Maksimenko, V A; Moskalenko, O I; Balanov, A G.
Affiliation
  • Hramov AE; Faculty of Nonlinear Processes, Saratov State University, Astrakhanskaya 83, Saratov 410012, Russia and Saratov State Technical University, Politechnicheskaja 77, Saratov 410054, Russia.
  • Makarov VV; Faculty of Nonlinear Processes, Saratov State University, Astrakhanskaya 83, Saratov 410012, Russia.
  • Koronovskii AA; Faculty of Nonlinear Processes, Saratov State University, Astrakhanskaya 83, Saratov 410012, Russia and Saratov State Technical University, Politechnicheskaja 77, Saratov 410054, Russia.
  • Kurkin SA; Faculty of Nonlinear Processes, Saratov State University, Astrakhanskaya 83, Saratov 410012, Russia.
  • Gaifullin MB; Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom.
  • Alexeeva NV; Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom.
  • Alekseev KN; Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom.
  • Greenaway MT; School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
  • Fromhold TM; School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
  • Patanè A; School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
  • Maksimenko VA; Saratov State Technical University, Politechnicheskaja 77, Saratov 410054, Russia.
  • Moskalenko OI; Saratov State Technical University, Politechnicheskaja 77, Saratov 410054, Russia.
  • Balanov AG; Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom.
Phys Rev Lett ; 112(11): 116603, 2014 Mar 21.
Article in En | MEDLINE | ID: mdl-24702398
ABSTRACT
We investigate the effects of a linear resonator on the high-frequency dynamics of electrons in devices exhibiting negative differential conductance. We show that the resonator strongly affects both the dc and ac transport characteristics of the device, inducing quasiperiodic and high-frequency chaotic current oscillations. The theoretical findings are confirmed by experimental measurements of a GaAs/AlAs miniband semiconductor superlattice coupled to a linear microstrip resonator. Our results are applicable to other active solid state devices and provide a generic approach for developing modern chaos-based high-frequency technologies including broadband chaotic wireless communication and superfast random-number generation.
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: RUSSIA
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: RUSSIA