Quadratic Mixing of Radio Frequency Signals using Superconducting Quantum Interference Filters

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dc.creatorCaputo, P.
dc.creatorTomes, J.
dc.creatorOppenlaender, J.
dc.creatorHaeussler, Ch.
dc.creatorFriesch, A.
dc.creatorTraeuble, T.
dc.creatorSchopohl, N.
dc.date2006-02-24
dc.date2006-08-10
dc.date.accessioned2026-07-07T07:01:57Z
dc.date.available2026-07-07T07:01:57Z
dc.descriptionThe authors demonstrate quadratic mixing of weak time harmonic electromagnetic fields applied to Superconducting Quantum Interference Filters, manufactured from high-$T_{\mathrm{c}}$ grain boundary Josephson junctions and operated in active microcooler. The authors use the parabolic shape of the dip in the dc-voltage output around B=0 to mix \emph{quadratically} two external rf-signals, at frequencies $f_{\mathrm{1}}$ and $f_{\mathrm{2}}$ well below the Josephson frequency $f_{\mathrm{J}}$, and detect the corresponding mixing signal at $| {f_{1}-f_{2}}| $. Quadratic mixing takes also place when the SQIF is operated without magnetic shield. The experimental results are well described by a simple analytical model based on the adiabatic approximation.
dc.description3 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0602590
dc.identifierhttp://arxiv.org/abs/cond-mat/0602590
dc.identifierAppl. Phys. Lett., vol. 89, 062507 (2006)
dc.identifierdoi:10.1063/1.2335368
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/108439
dc.subjectSuperconductivity
dc.titleQuadratic Mixing of Radio Frequency Signals using Superconducting Quantum Interference Filters
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