Magnetic flux controlled Josephson array oscillators

One-dimensional parallel arrays of Josephson junctions have the ability to perform as oscillators tunable by magnetic flux. We have designed and tested an array impedance matched to a detector junction load. The amplitude and frequency of the array are controlled by the independent variables of magn...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2001-03, Vol.11 (1), p.1223-1226
Hauptverfasser: Crankshaw, D.S., Trias, E., Orlando, T.P.
Format: Artikel
Sprache:eng
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Zusammenfassung:One-dimensional parallel arrays of Josephson junctions have the ability to perform as oscillators tunable by magnetic flux. We have designed and tested an array impedance matched to a detector junction load. The amplitude and frequency of the array are controlled by the independent variables of magnetic field and current bias. We report on the array's characteristics and compare them to the results predicted by nonlinear simulations and a linear circuit model. This confirms the accuracy of the circuit model, both for impedance matching and in describing the dynamics of the array, even in a multiple-frequency regime.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.919570