Continuous quantum feedback of coherent oscillations in a solid-state qubit

被引：20
|
作者：
Zhang, Q [1 ]
Ruskov, R [1 ]
Korotkov, AN [1 ]
机构：
[1] Univ Calif Riverside, Dept Elect Engn, Riverside, CA 92521 USA
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 24期
关键词：
D O I：
10.1103/PhysRevB.72.245322
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have analyzed theoretically the operation of the Bayesian quantum feedback of a solid-state qubit, designed to maintain perfect coherent oscillations in the qubit for arbitrarily long time. In particular, we have studied the feedback efficiency in presence of dephasing environment and detector nonideality. Also, we have analyzed the effect of qubit parameter deviations and studied the quantum feedback control of an energy-asymmetric qubit.
引用
收藏
页数：11
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