Renk, K. F. and Stahl, B. I. (2011) Operation of a semiconductor superlattice oscillator. PHYSICS LETTERS A, 375 (27). pp. 2644-2651. ISSN 0375-9601,
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We report an experimental study of a semiconductor superlattice oscillator and present an analysis of the origin of gain. The oscillator generated microwave radiation (at frequencies around 60 GHz). An analysis of the results suggests that the oscillator operated in a pure charge accumulation mode that can occur in a medium with a negative differential mobility. We relate the negative differential mobility to miniband transport. Additionally, we propose a microwave-terahertz double oscillator that may be suitable to realize a terahertz Bloch oscillator. (C) 2011 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SUSTAINED CURRENT OSCILLATION; MILLIMETER-WAVE GENERATION; RESONANT-TUNNELING DIODES; GAAS/ALAS SUPERLATTICE; NEGATIVE-RESISTANCE; GHZ; CONDUCTIVITY; CONDUCTANCE; Semiconductor superlattice; Millimeter wave oscillator; Space charge domains |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Karl F. Renk Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 05 Jun 2020 08:54 |
| Last Modified: | 05 Jun 2020 08:54 |
| URI: | https://pred.uni-regensburg.de/id/eprint/20557 |
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