Precise and Robust Quantum Gates for Spin Qubits in Diamond-NV Centers
Diamond-NV 中心用于自旋量子位的精确且稳健的量子门
基本信息
- 批准号:240594411
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2014
- 资助国家:德国
- 起止时间:2013-12-31 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The electronic and nuclear spins associated with the nitrogen-vacancy center in diamond have become some of the most promising solid-state qubits. The properties that make them so attractive include the limited Hilbert space, excellent controllability, and long coherence times, all leading to the possibility of implementing quantum algorithms with high precision. In addition, the relatively easy initialization and readout of individual qubits and the possibility of room-temperature operation lead to lower hurdles for experimental implementations than in other solid-state systems. The goal of this project is the realization of this potential, i.e. the implementation of quantum registers on the basis of NV centers and the optimal implementation of demonstration-type quantum tasks in these systems. Our main focus will be the optimization of precision (fidelity) and robustness of the gate operations. This includes the protection of the quantum registers against environmental noise as well as the design and implementation of gates that are insensitive to experimental imperfections, such as deviations in the amplitudes of control fields. In the past, we have made excellent progress towards this goal, mostly working with single quantum bits. In the present project, we will focus on extending these results to multi-qubit systems, in particular hybrid systems consisting of electronic as well as nuclear spins.
金刚石中与氮空位中心相关的电子和核自旋已成为最有前途的固态量子比特之一。使它们如此吸引人的特性包括有限的希尔伯特空间,出色的可控性和长相干时间,所有这些都导致实现高精度量子算法的可能性。此外,相对容易的初始化和读出单个量子位,以及室温操作的可能性,使得实验实现的障碍比其他固态系统更低。该项目的目标是实现这一潜力,即在NV中心的基础上实现量子寄存器,并在这些系统中实现演示型量子任务的最佳实现。我们的主要重点将是优化精度(保真度)和栅极操作的稳健性。这包括保护量子寄存器免受环境噪声的影响,以及对实验缺陷不敏感的门的设计和实现,例如控制场幅度的偏差。在过去,我们在这个目标上取得了很好的进展,主要是在单量子比特上。在目前的项目中,我们将专注于将这些结果扩展到多量子位系统,特别是由电子和核自旋组成的混合系统。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nonlinear dynamics of a two-level system of a single spin driven beyond the rotating-wave approximation
- DOI:10.1103/physreva.95.053804
- 发表时间:2016-10
- 期刊:
- 影响因子:2.9
- 作者:K. R. K. Rao-K.-R.-K.-Rao-2107738450;D. Suter
- 通讯作者:K. R. K. Rao-K.-R.-K.-Rao-2107738450;D. Suter
Bloch-Siegert shift in a hybrid quantum register: Quantification and compensation
- DOI:10.1103/physreva.98.052354
- 发表时间:2018-06
- 期刊:
- 影响因子:2.9
- 作者:Jingfu Zhang;S. Saha;D. Suter
- 通讯作者:Jingfu Zhang;S. Saha;D. Suter
Pulse sequences for controlled two- and three-qubit gates in a hybrid quantum register
- DOI:10.1103/physreva.98.042302
- 发表时间:2018-06
- 期刊:
- 影响因子:2.9
- 作者:Jingfu Zhang;Swathi S. Hegde;D. Suter
- 通讯作者:Jingfu Zhang;Swathi S. Hegde;D. Suter
Polarizing the electronic and nuclear spin of the NV-center in diamond in arbitrary magnetic fields: analysis of the optical pumping process
- DOI:10.1088/1367-2630/aa7727
- 发表时间:2016-11
- 期刊:
- 影响因子:3.3
- 作者:T. Chakraborty;Jingfu Zhang;D. Suter
- 通讯作者:T. Chakraborty;Jingfu Zhang;D. Suter
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Professor Dr. Dieter Suter其他文献
Professor Dr. Dieter Suter的其他文献
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{{ truncateString('Professor Dr. Dieter Suter', 18)}}的其他基金
Optically Detected Magnetic Resonance Imaging of Direct Band-Gap Solar Cell Materials
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- 批准号:
397544606 - 财政年份:2018
- 资助金额:
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Regenerative Quantum Error Correction with Individual Spin Qubits
使用单独的自旋量子位进行再生量子纠错
- 批准号:
280033674 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
Optimized noise filters for improved contrast in MRI
优化的噪声滤波器可提高 MRI 的对比度
- 批准号:
244259901 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Enabling technologies for rare-earth ion quantum memories
稀土离子量子存储器的使能技术
- 批准号:
214066583 - 财政年份:2013
- 资助金额:
-- - 项目类别:
Research Grants
Precise and Robust Control Operations for Spin Qubits in Diamond-NV Centers
Diamond-NV 中心自旋量子位的精确、鲁棒控制操作
- 批准号:
172967605 - 财政年份:2010
- 资助金额:
-- - 项目类别:
Research Units
International Collaboration in Chemistry: Decoherence control via quantum dynamical decoupling - theory and experiment
化学国际合作:通过量子动力学解耦控制退相干 - 理论与实验
- 批准号:
147191111 - 财政年份:2009
- 资助金额:
-- - 项目类别:
Research Grants
Simulation of mesoscopic quantum systems by liquid-state NMR
通过液态核磁共振模拟介观量子系统
- 批准号:
18283631 - 财政年份:2006
- 资助金额:
-- - 项目类别:
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