Microwave Transmissions through Superconducting Coplanar Waveguide Resonators with Different Coupling Configurations

被引：0

作者：

张思磊 ^{[1
,2
]}

李海杰 ^{[1
]}

韦联福 ^{[1
,3
]}

房玉荣 ^{[4
]}

王轶文 ^{[1
]}

周品嘉 ^{[1
]}

韦强 ^{[1
]}

曹春海 ^{[4
]}

熊祥正 ^{[2
]}

机构：

[1] Quantum Optoelectronics Laboratory,Southwest Jiaotong University

[2] Institute of Electromagnetic Field and Microwave Technology,Southwest Jiaotong University

[3] State Key Laboratory of Optoelectronic Materials Technologies,Sun Yat-sen University

[4] Research Institute of Superconductor Electronics,Nanjing

来源：

Chinese Physics Letters | 2013年 / 30卷 / 08期

关键词：

D O I：

暂无

中图分类号：

TN252 [光波导];

学科分类号：

摘要：

We design and fabricate two types of superconducting niobium coplanar waveguide microwave resonators with different coupling capacitors on high purity Si substrates.Their microwave transmissions are measured at 20 mK.It is found that these two types of resonators possess significantly different loaded quality factors;one is 5.6×10～3and the other is 4.0×10～4.The measured data are fitted well by classical ABCD matrix approach and consequently the coupling capacitances are determined.It is found that the transmission peak deviates from the standard Lorentizian with a frequency broadening.

引用

页码：206 / 208

页数：3

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