The concentration estimation for ensemble of NV- color centers with spin coherent manipulation

被引：0

作者：

Yan, Yifan ^{[1
,2
,3
]}

Li, Zhonghao ^{[1
,2
,4
]}

Liu, Xin ^{[1
,2
,4
]}

Guo, Hao ^{[1
,2
,4
]}

Wen, Huanfei ^{[1
,2
,4
]}

Li, Xin ^{[1
,2
,4
]}

Ma, Zongmin ^{[1
,2
,3
]}

Tang, Jun ^{[1
,2
,3
]}

Liu, Jun ^{[1
,2
,4
]}

机构：

[1] North Univ China, Key Lab Instrument Sci & Dynam Testing, Minist Educ, Taiyuan 030051, Peoples R China

[2] Key Lab Quantum Sensing & Precis Measurement, Taiyuan 030051, Shanxi Province, Peoples R China

[3] North Univ China, Sch Semicond & Phys, Taiyuan 030051, Peoples R China

[4] North Univ China, Sch Instrument & Elect, Taiyuan 030051, Peoples R China

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2024年 / 63卷 / 03期

基金：

中国国家自然科学基金;

关键词：

nitrogen-vacancy color centers; fluorescence spectroscopy; zero-phonon line; ensemble concentration; NITROGEN-VACANCY CENTER; DIAMOND;

D O I：

10.35848/1347-4065/ad29d9

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The concentration and distribution of negatively charged nitrogen-vacancy color centers (NV-) directly affect the sensitivity and resolution of quantum sensing. In this paper, a simple method is proposed to estimate the concentration of the ensemble of NV- centers with spin coherent manipulation. The stray fluorescence is eliminated by separating the fluorescence near the NV- zero-phonon line. By introducing a single NV- fluorescence quantitative model, the number of NV- centers in the diamond under test can be obtained. The average concentration of the ensemble of NV- centers in the sample can be obtained by combining the detection volume. Compared with the results measured by electron spin resonance, the concentration of NV- centers measured by our method can be verified, and the maximum error between the two methods is less than 4.3%. The results show that the method provides an effective reference for accurately characterizing the concentration distribution characteristics of the NV- ensemble.

引用

页数：7

共 31 条

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