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Coherent control of NV− centers in diamond in a quantum teaching lab
American Journal of Physics ( IF 0.9 ) Pub Date : 2020-12-01 , DOI: 10.1119/10.0001905
Vikas K. Sewani 1 , Hyma H. Vallabhapurapu 1 , Yang Yang 1 , Hannes R. Firgau 1 , Chris Adambukulam 2 , Brett C. Johnson 3 , Jarryd J. Pla 2 , Arne Laucht 1
Affiliation  

The room temperature compatibility of the negatively-charged nitrogen-vacancy (NV-) in diamond makes it the ideal quantum system for a university teaching lab. Here, we describe a low-cost experimental setup for coherent control experiments on the electronic spin state of the NV- center. We implement spin-relaxation measurements, optically-detected magnetic resonance, Rabi oscillations, and dynamical decoupling sequences on an ensemble of NV- centers. The relatively short times required to perform each of these experiments (<10 minutes) demonstrate the feasibility of the setup in a teaching lab. Learning outcomes include basic understanding of quantum spin systems, magnetic resonance, the rotating frame, Bloch spheres, and pulse sequence development.

中文翻译:

量子教学实验室中金刚石 NV− 中心的相干控制

金刚石中带负电荷的氮空位 (NV-) 的室温兼容性使其成为大学教学实验室的理想量子系统。在这里,我们描述了一种低成本的实验装置,用于对 NV 中心的电子自旋态进行相干控制实验。我们在 NV 中心的集合上实施自旋弛豫测量、光学检测磁共振、拉比振荡和动态解耦序列。执行这些实验中的每一个所需的时间相对较短(<10 分钟)证明了在教学实验室中设置的可行性。学习成果包括对量子自旋系统、磁共振、旋转框架、布洛赫球体和脉冲序列开发的基本了解。
更新日期:2020-12-01
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