Determination of the ground-state hyperfine splitting of trapped 171Yb+ ions

被引：0

作者：

Han, J. Z. ^{[1
]}

Xin, N. C. ^{[1
]}

Zhang, J. W. ^{[1
]}

Yu, Y. M. ^{[3
,4
]}

Li, J. G. ^{[5
]}

Qian, L. ^{[2
]}

Wang, L. J. ^{[1
,6
]}

机构：

[1] Tsinghua Univ, Dept Precis Instrument, State Key Lab Precis Measurement Technol & Instrum, Beijing 100084, Peoples R China

[2] China Mobile Suzhou Software Technol Co Ltd, Suzhou 215163, Peoples R China

[3] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[5] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China

[6] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2024年 / 125卷 / 08期

基金：

中国国家自然科学基金;

关键词：

MICROWAVE FREQUENCY; ATOMIC CLOCK; STANDARD; PERFORMANCE; CD-113(+);

D O I：

10.1063/5.0226908

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present the determination of the ground-state hyperfine splitting ( nu HFS) in laser-cooled Yb-171(+) ions using our microwave quantum frequency standard (QFS). Employing Ramsey spectroscopy in a closed-loop measurement configuration, we have achieved a nu(HFS) value of 12 642 812 118 469.0(8) mHz with a fractional uncertainty of 6.6x10(-14). This result aligns with previously reported values and represents the highest accuracy reported to date for such measurements conducted in a single-shot closed-loop configuration, without averaging over multiple dates. The development of this accurate Yb-171(+) microwave QFS holds promise as a transportable time-frequency reference for satellite navigation systems.

引用

页数：6

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