Robust manipulation of superconducting qubits in the presence of fluctuations.

Robust manipulation of superconducting qubits in the presence of fluctuations.
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在存在波动的情况下对超导量子位进行鲁棒操纵

DOI:
10.1038/srep07873
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发表时间:
2015-01-19
期刊:
影响因子:
4.6
通讯作者:
Nori F
Nori F
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Dong D;Chen C;Qi B;Petersen IR;Nori F

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超导量子系统具有良好的可扩展性和设计灵活性,在量子信息处理领域具有广阔的应用前景。然而,对于实际的超导量子电路来说,缺陷、涨落和误差的存在是不可避免的。本文采用基于采样的学习控制(SLC)方法来指导超导量子系统控制场的设计。对单量子比特系统和耦合双量子比特系统的数值结果表明,使用SLC方法学习的“智能”场可以实现对超导量子比特的稳健操纵,即使在存在大波动和不精确的情况下也是如此。
Superconducting quantum systems are promising candidates for quantum information processing due to their scalability and design flexibility. However, the existence of defects, fluctuations and inaccuracies is unavoidable for practical superconducting quantum circuits. In this paper, a sampling-based learning control (SLC) method is used to guide the design of control fields for manipulating superconducting quantum systems. Numerical results for one-qubit systems and coupled two-qubit systems show that the “smart” fields learned using the SLC method can achieve robust manipulation of superconducting qubits, even in the presence of large fluctuations and inaccuracies.
超导量子电路中的光学选择规则和相相关绝热状态控制
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