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Subterahertz superlattice parametric oscillator

DOI to cite this document:
10.5283/epub.1687
Renk, Karl Friedrich ; Stahl, Benjamin Ingo ; Rogl, Andreas ; Janzen, T. ; Pavel'ev, D. ; Koschurinov, Y. ; Ustinov, V. ; Zhukov, A.
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Date of publication of this fulltext: 05 Aug 2009 13:31


Abstract

We report a superlattice parametric oscillator (SPO), with a GaAs=AlAs superlattice as the activeelement. The SPO was pumped by a microwave field (power 4 mW) and produced third harmonic radiation at subterahertz frequencies (near 300 GHz; 0.1 mW). We attribute the parametric gain to the
nonlinearity of the miniband transport.


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