Wide-band phase locking of Josephson junctions in a resonator

被引:9
|
作者
Grib, Alexander [1 ,2 ]
Seidel, Paul [1 ]
机构
[1] Univ Jena, Inst Festkorperphys, D-07743 Jena, Germany
[2] Kharkov Natl Univ, Dept Phys, UA-61077 Kharkov, Ukraine
来源
关键词
SYNCHRONIZATION;
D O I
10.1002/pssr.200903286
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We found that the chain of junctions acts both as the source of radiation and as a part of the superconducting resonator when the effective capacitance of the resonator is larger than the total capacitance of all junctions. At this condition junctions are synchronized in-phase not only at the resonance steps but also in the whole hysteretic region of I-V characteristics below the resonant frequency. The maximal allowable Spread of critical currents for this effect v; about 5 10% We analyzed the origin of the effect both numerically and by the method of slowly varying amplitudes [GRAPHICS] (C) 2009 WILEY-VCH Verlag GmbH & Co KGaA, Weinheim
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页码:302 / 304
页数:3
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