| 金刚石氮空位中心自旋量子调控 |
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| 引用本文： | 刘刚钦,邢健,潘新宇. 金刚石氮空位中心自旋量子调控[J]. 物理学报, 2018, 67(12): 120302-120302. DOI: 10.7498/aps.67.20180755 |
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| 作者姓名： | 刘刚钦 邢健 潘新宇 |
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| 作者单位： | 1. 中国科学院物理研究所, 北京凝聚态物理国家研究中心, 北京 100190;2. 香港中文大学物理系, 新界沙田, 香港特别行政区;3. 量子物质科学协同创新中心, 北京 100871;4. 中国科学院拓扑量子计算卓越创新中心, 北京 100190 |
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| 基金项目： | 国家重点基础研究发展计划（批准号：2014CB921402，2015CB921103）、中国科学院战略先导科技专项（B类）（批准号：XDB07010300）、国家自然科学基金（批准号：11574386）和中国科学院B类先导科技专题培育项目（批注号：XDPB0803）资助的课题. |
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| 摘 要： | 量子计算和量子传感近年来受到了广泛的关注.金刚石氮空位中心以其简单稳定的自旋能级结构、高效便捷的光学跃迁规则以及室温下超长的自旋量子态相干时间而成为量子信息科学中引人瞩目的新星.本文从实验研究的角度介绍金刚石氮空位中心自旋量子调控的基础理论、典型技术和代表性结果;重点讨论1)如何通过光磁共振方法在室温大气环境下对单个自旋进行探测和相干操控,2)金刚石中自旋量子比特退相干的主要机制和抑制手段,3)自旋态相干操控技术在量子传感中的应用;最后对氮空位中心在量子计算和量子传感中的发展趋势进行了小结.
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| 关 键 词： | 量子计算 量子传感 氮空位中心 光磁共振 |
| 收稿时间： | 2018-04-20 |
Quantum control of nitrogen-vacancy center in diamond |
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| Liu Gang-Qin,Xing Jian,Pan Xin-Yu. Quantum control of nitrogen-vacancy center in diamond[J]. Acta Physica Sinica, 2018, 67(12): 120302-120302. DOI: 10.7498/aps.67.20180755 |
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| Authors: | Liu Gang-Qin Xing Jian Pan Xin-Yu |
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| Affiliation: | 1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;2. Department of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region, China;3. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China;4. Chinese Academy of Sciences Center of Excellence in Topological Quantum Computation, Beijing 100190, China |
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| Abstract: | Quantum computing and quantum sensing have received much attention in recent years. As an atomic quantum system with super-long coherence time and spin-dependent optical transitions at room temperature, nitrogen-vacancy (NV) center in diamond is one of the well-studied physical systems in quantum information science. In this review, we brief the working principles and quantum control techniques of this single spin system, and also several experimental demonstrations. We focus on the following points:1) coherent manipulation of single spins with optically detected magnetic resonance; 2) main mechanism of NV election spin decoherence and schemes of coherence protection; 3) quantum sensing and quantum computing applications of spin quantum control techniques. Some open questions are discussed at the end of this review. |
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| Keywords: | quantum computing quantum sensing nitrogen-vacancy center optically detected magnetic resonance |
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