Two-qubit state tomography with ensemble average in coupled superconducting qubits

2017 ◽  
Vol 110 (13) ◽  
pp. 132602
Author(s):  
Mengmeng Li ◽  
Guangming Xue ◽  
Xinsheng Tan ◽  
Qiang Liu ◽  
Kunzhe Dai ◽  
...  
Keyword(s):  
Ensemble Average ◽  
Qubit State ◽  
Superconducting Qubits ◽  
State Tomography

scholarly journals Qubit state tomography in a superconducting circuit via weak measurements

2017 ◽  
Vol 19 (3) ◽  
pp. 033036 ◽  
Author(s):  
Lupei Qin ◽  
Luting Xu ◽  
Wei Feng ◽  
Xin-Qi Li
Keyword(s):  
Qubit State ◽  
Weak Measurements ◽  
Superconducting Circuit ◽  
State Tomography

scholarly journals Experimental proposal for symmetric minimal two-qubit state tomography

2012 ◽  
Vol 85 (5) ◽  
Author(s):  
Amir Kalev ◽  
Jiangwei Shang ◽  
Berthold-Georg Englert
Keyword(s):  
Qubit State ◽  
State Tomography

scholarly journals Effect of non-negativity on estimation errors in one-qubit state tomography with finite data

2012 ◽  
Vol 14 (8) ◽  
pp. 085005 ◽  
Author(s):  
Takanori Sugiyama ◽  
Peter S Turner ◽  
Mio Murao
Keyword(s):  
Qubit State ◽  
Estimation Errors ◽  
State Tomography ◽  
Finite Data

scholarly journals Achieving quantum precision limit in adaptive qubit state tomography

2016 ◽  
Vol 2 (1) ◽  
Author(s):  
Zhibo Hou ◽  
Huangjun Zhu ◽  
Guo-Yong Xiang ◽  
Chuan-Feng Li ◽  
Guang-Can Guo
Keyword(s):  
Qubit State ◽  
Precision Limit ◽  
State Tomography

scholarly journals Measurement of the Entanglement of Two Superconducting Qubits via State Tomography

Science ◽  
2006 ◽  
Vol 313 (5792) ◽  
pp. 1423-1425 ◽  
Author(s):  
M. Steffen ◽  
M. Ansmann ◽  
R. C. Bialczak ◽  
N. Katz ◽  
E. Lucero ◽  
...  
Keyword(s):  
Superconducting Qubits ◽  
State Tomography

Effects of Microwave Field on Supercurrents and Entanglement in Measurement of Qubit-State Readout

2013 ◽  
Vol 333-335 ◽  
pp. 72-76
Author(s):  
Ju Ju Hu ◽  
Xiang Dong Wan ◽  
Qiang Ke ◽  
Ying Hua Ji
Keyword(s):  
Quantum Entanglement ◽  
Quantum State ◽  
Microwave Field ◽  
Qubit State ◽  
Superconducting Qubits ◽  
Cavity Field ◽  
Circuit Qed ◽  
Dynamical Behaviors ◽  
Single Sideband

We carefully investigate the effect of cavity field quantum state on the quantum entanglement and supercurrent dynamical behaviors of coupling superconducting qubits in circuit QED system. The results show that not only the time-evolving dynamics of entanglement exhibit collapse and revival oscillation behaviors，but also that the single sideband envelope of current is almost similar with the time-evolving curve of entanglement.

scholarly journals Two-Qubit State Tomography Using a Joint Dispersive Readout

2009 ◽  
Vol 102 (20) ◽  
Author(s):  
S. Filipp ◽  
P. Maurer ◽  
P. J. Leek ◽  
M. Baur ◽  
R. Bianchetti ◽  
...  
Keyword(s):  
Qubit State ◽  
State Tomography

A Study on Maximum Fluctuation Width within a few Hours regarding Ensemble Average Insolation Observed at Multi-points in Large Area

2012 ◽  
Vol 132 (5) ◽  
pp. 452-458 ◽  
Author(s):  
Shinsuke Kumazawa ◽  
Takeyoshi Kato ◽  
Nobuyuki Honda ◽  
Masakazu Koaizawa ◽  
Shinichi Nishino ◽  
...  
Keyword(s):  
Ensemble Average ◽  
Large Area ◽  
Maximum Fluctuation
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