Subterahertz superlattice parametric oscillator

We report a superlattice parametric oscillator (SPO), with a GaAs/AlAs superlattice as the active element. 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 nonlineari...

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Bibliographic Details
Published in:Physical review letters 2005-09, Vol.95 (12), p.126801-126801, Article 126801
Main Authors: Renk, K F, Stahl, B I, Rogl, A, Janzen, T, Pavel'ev, D G, Koshurinov, Yu I, Ustinov, V, Zhukov, A
Format: Article
Language:English
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Summary:We report a superlattice parametric oscillator (SPO), with a GaAs/AlAs superlattice as the active element. 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.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.95.126801