Large microwave response of one-dimensional Josephson junction arrays in charge dominant regime

被引：5
|
作者：
Liou, Saxon [1 ,2 ]
Chang, C. C. [1 ]
Kuo, Watson [1 ]
机构：
[1] Natl Chung Hsing Univ, Dept Phys, Taichung 402, Taiwan
[2] Acad Sinica, Inst Phys, Taipei 115, Taiwan
来源：
EPL | 2014年 / 108卷 / 06期
关键词：
SMALL TUNNEL-JUNCTIONS; SUPERCONDUCTING CIRCUITS; PHASE-TRANSITIONS; QUANTUM-NOISE; METAMATERIAL; DEPENDENCE; COHERENCE; ULTRATHIN;
D O I：
10.1209/0295-5075/108/67003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By using photoresistance measurement, one-dimensional (1D) Josephson junction arrays can be used as primary radio-frequency and microwave detectors. The response can be explained by the microwave-enhanced phase diffusion both in the superconducting phase and charge dominant limits. Free from the screening effect due to mobile charges when the junctions were strongly coupled via the Josephson effect, the 1D array exhibited large microwave response in the charge dominant limit. Used as an in-line detector of guided microwaves, the array produces a negligible change of about 10(-3) in the microwave transmission. Copyright (C) EPLA, 2014
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页数：6
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