The European Physical Journal Special Topics

, Volume 222, Issue 10, pp 2559–2570 | Cite as

High-frequency generation in two coupled semiconductor superlattices

  • Satpal Matharu
  • Feodor V. Kusmartsev
  • Alexander G. Balanov
Regular Article Applications in Chemistry, Physics and Engineering


We theoretically show that two semiconductor superlattices arranged on the same substrate and coupled with the same resistive load can be used for a generation of high-frequency periodic and quasiperiodic signals. Each superlattice involved is capable to generate current oscillations associated with drift of domains of high charge concentration. However, the coupling with the common load can eventually lead to synchronization of the current oscillations in the interacting superlattices. We reveal how synchronization depends on detuning between devices and the resistance of the common load, and discuss the effects of coupling and detuning on the high-frequency power output from the system.


Power Spectral Density European Physical Journal Special Topic Phase Trajectory Current Oscillation Autonomous Case 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© EDP Sciences and Springer 2013

Authors and Affiliations

  • Satpal Matharu
    • 1
  • Feodor V. Kusmartsev
    • 1
  • Alexander G. Balanov
    • 1
  1. 1.Department of PhysicsLoughborough UniversityLeicestershireUK

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