RESONATOR COUPLED JOSEPHSON-JUNCTIONS - PARAMETRIC EXCITATIONS AND MUTUAL LOCKING

被引：3
|
作者：
JENSEN, HD
LARSEN, A
MYGIND, J
机构：
[1] TECH UNIV DENMARK,PHYS LAB 1,DK-2800 LYNGBY,DENMARK
[2] PHYS TECH BUNDESANSTALT,W-3300 BRAUNSCHWEIG,GERMANY
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 02期
关键词：
D O I：
10.1109/20.133931
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Self-pumped parametric excitations and mutual locking in systems of Josephson tunnel junctions coupled to multi-mode resonators are reported. For the very large values of the coupling parameter, obtained with small Nb-Al2O3-Nb junctions integrated in superconducting microstrip resonators, the dc IV-characteristic shows an equidistant series of current-steps generated by subharmonic pumping of the fundamental resonator mode. This is confirmed by measurements of frequency and linewidth of the emitted Josephson radiation.
引用
收藏
页码：3355 / 3358
页数：4
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