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Tunable Transmon in a 3D cavity
Zhou Yu 1 #,Fan Yun-Yi 1,Pan Jia-Zheng 1,Cao Zhi-Min 1,Chen Zhi-Ping 1,Li Yong-Chao 1,Lan Dong 2,Yu Hai-Feng 2,Yu Yang 2,Cao Chun-Hai 1,Kang Lin 1,Xu Wei-Wei 1,Chen Jian 1,Sun Guo-Zhu 1 *,Wu Pei-Heng 1
1.Research Institute of Superconductor Electronics, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093;National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093
2.National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093;School of Physics, Nanjing University, Nanjing 210093
*Correspondence author
#Submitted by
Subject:
Funding: a doctoral program (No.20120091110030), National Natural Science Foundation of China(No.11474154)
Opened online:15 June 2016
Accepted by: none
Citation: Zhou Yu,Fan Yun-Yi,Pan Jia-Zheng.Tunable Transmon in a 3D cavity[OL]. [15 June 2016] http://en.paper.edu.cn/en_releasepaper/content/4689470
 
 
We present two 3D copper cavity systems with tunable transmons but different structures. The first one is a transmon with a dc-SQUID, which shows a transition frequency tunability of $sim3.7$~GHz and a vacuum Rabi splitting of $sim360$~MHz. The other one is a transmon with three junctions in a superconducting loop, in which an avoided crossing of $sim440$~MHz is apparently observed by adding another two single-junction transmons.
Keywords:Radio Physics, Superconducting Quantum Bit, 3D Cavity, Tunable Transmon
 
 
 

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