Acta Physica Sinica, Volume. 68, Issue 3, 030306-1(2019)
Fig. 1. Experimental setup and control system: (a) Hybrid trapping system that traps and simultaneously; (b) control system for generating laser and microwave signals. 实验装置和控制系统 (a) 同时囚禁 离子和 离子的混合囚禁系统及相关能谱图; (b) 微波和激光信号的控制系统
Fig. 2. Pulse sequence for dyanmical decoupling: (a) CPMG protocol; (b) protocol. 动力学解耦脉冲序列 (a) CPMG方案; (b) 方案
Fig. 3. Typical phase noise measured by spectrum analyzer.频谱分析仪测得的典型相位涨落噪声谱
Fig. 4. (a) Ramsey contrasts depending on the total evolution time
Fig. 5. Sequence fidelity
Fig. 6. Pulse sequences for measuring the single-qubit coherent time.测量单量子比特相干时间的脉冲序列
Fig. 7. Single-qubit coherece time for six different initial states. For and , the coherence time is (4740 1760) s. For the other four initial states, the coherence time is (667 17) s. The error bars are the standard deviation. 单量子比特六个不同初态的相干时间, 其中 和 , 对应的相干时间是(4740 1760) s; 其他四个初态对应的相干时间为(667 17) s; 图中的误差线代表标准差
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Ye Wang, Jing-Ning Zhang, Kihwan Kim.
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Received: Sep. 19, 2018
Accepted: --
Published Online: Oct. 28, 2019
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