Optimal Lyapunov-Based States Transfer for Superconducting Qubits

被引：0
|
作者：
Ji, Yinghua [1 ]
Huang, Jianhua [1 ]
Hu, Juju [1 ]
机构：
[1] Jiangxi Normal Univ, Coll Phys & Commun Elect, Nanchang, Jiangxi, Peoples R China
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON INFORMATION AND AUTOMATION (ICIA) | 2016年
基金：
中国国家自然科学基金;
关键词：
Lyapunov control; state transfer; superconducting qubit;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Quantum control is responsible for many key problems in quantum information processing, such as decoherence suppression, quantum state engineering and quantum gate, etc. In recent years quantum control has become a major topic in the fields of quantum optics and quantum information. Fast control of the state of quantum system is effective for both decoherence suppression caused by the environment and information processing in quantum state transfer and tracking. Comparing the standard Lyapunov control function with bang-bang Lyapunov control function, we design an optimized quantum Lyapunov control function, and analyse the influence of control laws on population transfer probability and control time contrastively. The simulation results indicate that the optimized quantum Lyapunov control strategy effectively shortens the control time and avoids high-frequency oscillation that occurs in bang-bang Lyapunov control, therefore, strengthens the robustness against external interference.
引用
收藏
页码：849 / 852
页数：4
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