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	Enhancing the sensitivity of a single electron spin sensor by multi-frequency control
	Li, Cui-Hong1,2,3; Dong, Yang2,4; Xu, Jing-Yan2,4; Li, Deng-Feng2,4; Chen, Xiang-Dong2,4; Du, A. M.1,3; Ge, Ya-Song1,3; Guo, Guang-Can2,4; Sun, Fang-Wen2,4
刊名	APPLIED PHYSICS LETTERS
	2018-08-13
卷号	113期号:7页码:5
ISSN号	0003-6951
DOI	10.1063/1.5042796
英文摘要	The negatively charged nitrogen vacancy (NV) center in diamond is increasingly attractive as a solid-state quantum sensor with high sensitivity and spatial resolution. However, the host non-zero nitrogen nuclear spin of the NV center decreases the signal contrast and sensitivity because of hyperfine coupling. Here, we apply multi-frequency synchronous manipulation to the NV center to recover the signal contrast and enhance the sensitivity. The enhancement effect works over a wide range of bias magnetic fields. Compared to the single-frequency-driven sensing process, a sensitivity enhancement factor of 2.7 is achieved at a low bias magnetic field. Such multi-frequency-controlled sensitivity enhancement works also for sensing temperature, strain, and electric field and can be applied to other spin-spin coupling systems. Published by AIP Publishing.
资助项目	National Key Research and Development Program of China[2017YFA0304504] ; National Natural Science Foundation of China[11374290] ; National Natural Science Foundation of China[61522508] ; National Natural Science Foundation of China[91536219] ; National Natural Science Foundation of China[11504363] ; National Natural Science Foundation of China[41674168] ; National Basic Research Program of China[2014CB845903] ; Anhui Initiative in Quantum Information Technologies[AHY130000]
WOS关键词	NITROGEN-VACANCY CENTER ; AMBIENT CONDITIONS ; DIAMOND ; MAGNETOMETRY ; MICROSCOPY ; RESOLUTION ; TIME
WOS研究方向	Physics
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000441994200025
资助机构	National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Basic Research Program of China ; National Basic Research Program of China ; Anhui Initiative in Quantum Information Technologies ; Anhui Initiative in Quantum Information Technologies ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Basic Research Program of China ; National Basic Research Program of China ; Anhui Initiative in Quantum Information Technologies ; Anhui Initiative in Quantum Information Technologies ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Basic Research Program of China ; National Basic Research Program of China ; Anhui Initiative in Quantum Information Technologies ; Anhui Initiative in Quantum Information Technologies ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Basic Research Program of China ; National Basic Research Program of China ; Anhui Initiative in Quantum Information Technologies ; Anhui Initiative in Quantum Information Technologies
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/88127]
专题	地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者	Sun, Fang-Wen
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China 2.Univ Sci & Technol China, CAS Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Li, Cui-Hong,Dong, Yang,Xu, Jing-Yan,et al. Enhancing the sensitivity of a single electron spin sensor by multi-frequency control[J]. APPLIED PHYSICS LETTERS,2018,113(7):5.
APA	Li, Cui-Hong.,Dong, Yang.,Xu, Jing-Yan.,Li, Deng-Feng.,Chen, Xiang-Dong.,...&Sun, Fang-Wen.(2018).Enhancing the sensitivity of a single electron spin sensor by multi-frequency control.APPLIED PHYSICS LETTERS,113(7),5.
MLA	Li, Cui-Hong,et al."Enhancing the sensitivity of a single electron spin sensor by multi-frequency control".APPLIED PHYSICS LETTERS 113.7(2018):5.

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