Absolute frequency measurement of an Yb optical clock at the 10-16 level using International Atomic Time

Limeng Luo; Hao Qiao; Di Ai; Min Zhou; Shuang Zhang; Sheng Zhang; Changyue Sun; Qichao Qi; Chengquan Peng; Taoyun Jin; Wei Fang; Zhiqiang Yang; Tianchu Li; Kun Liang; Xinye Xu

doi:10.1088/1681-7575/abb879

Absolute frequency measurement of an Yb optical clock at the 10^-¹⁶ level using International Atomic Time

Limeng Luo
, Hao Qiao
, Di Ai
, Min Zhou
, Shuang Zhang
, Sheng Zhang
, Changyue Sun
, Qichao Qi
, Chengquan Peng
, Taoyun Jin
, Wei Fang
, Zhiqiang Yang
, Tianchu Li
, Kun Liang
, Xinye Xu^*

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

We report on the absolute frequency measurement of the 6s^{2 1}S₀-6s6p ³P₀ transition in ¹⁷¹Yb with a fractional uncertainty of 7.3 × 10^-16. A global positioning system carrier phase frequency transfer was established between National Institute of Metrology of China and East China Normal University, which linked the optical frequency of the ECNU Yb1 clock to the second in the International System of Units (SI) through international atomic time. Frequency measurements were carried out in 15 separate days with a total time over 3.8 × 10⁵ s. The absolute frequency was determined to be 518 295 836 590 863.30(38) Hz. Our result is in good agreement with the recommended value in neutral Yb as a secondary representation of the SI second endorsed by the International Committee for Weights and Measures.

Original language	English
Article number	065017
Journal	Metrologia
Volume	57
Issue number	6
DOIs	https://doi.org/10.1088/1681-7575/abb879
State	Published - Dec 2020

Keywords

Frequency metrology
International atomic time
Optical clock
SI second

Access to Document

10.1088/1681-7575/abb879

Cite this

@article{a3237b479d344c569352d4fb47cc002b,

title = "Absolute frequency measurement of an Yb optical clock at the 10-16 level using International Atomic Time",

abstract = "We report on the absolute frequency measurement of the 6s2 1S0-6s6p 3P0 transition in 171Yb with a fractional uncertainty of 7.3 × 10-16. A global positioning system carrier phase frequency transfer was established between National Institute of Metrology of China and East China Normal University, which linked the optical frequency of the ECNU Yb1 clock to the second in the International System of Units (SI) through international atomic time. Frequency measurements were carried out in 15 separate days with a total time over 3.8 × 105 s. The absolute frequency was determined to be 518 295 836 590 863.30(38) Hz. Our result is in good agreement with the recommended value in neutral Yb as a secondary representation of the SI second endorsed by the International Committee for Weights and Measures.",

keywords = "Frequency metrology, International atomic time, Optical clock, SI second",

author = "Limeng Luo and Hao Qiao and Di Ai and Min Zhou and Shuang Zhang and Sheng Zhang and Changyue Sun and Qichao Qi and Chengquan Peng and Taoyun Jin and Wei Fang and Zhiqiang Yang and Tianchu Li and Kun Liang and Xinye Xu",

note = "Publisher Copyright: {\textcopyright} 2020 BIPM \& IOP Publishing Ltd",

year = "2020",

month = dec,

doi = "10.1088/1681-7575/abb879",

language = "英语",

volume = "57",

journal = "Metrologia",

issn = "0026-1394",

publisher = "IOP Publishing Ltd.",

number = "6",

}

TY - JOUR

T1 - Absolute frequency measurement of an Yb optical clock at the 10-16 level using International Atomic Time

AU - Luo, Limeng

AU - Qiao, Hao

AU - Ai, Di

AU - Zhou, Min

AU - Zhang, Shuang

AU - Zhang, Sheng

AU - Sun, Changyue

AU - Qi, Qichao

AU - Peng, Chengquan

AU - Jin, Taoyun

AU - Fang, Wei

AU - Yang, Zhiqiang

AU - Li, Tianchu

AU - Liang, Kun

AU - Xu, Xinye

PY - 2020/12

Y1 - 2020/12

N2 - We report on the absolute frequency measurement of the 6s2 1S0-6s6p 3P0 transition in 171Yb with a fractional uncertainty of 7.3 × 10-16. A global positioning system carrier phase frequency transfer was established between National Institute of Metrology of China and East China Normal University, which linked the optical frequency of the ECNU Yb1 clock to the second in the International System of Units (SI) through international atomic time. Frequency measurements were carried out in 15 separate days with a total time over 3.8 × 105 s. The absolute frequency was determined to be 518 295 836 590 863.30(38) Hz. Our result is in good agreement with the recommended value in neutral Yb as a secondary representation of the SI second endorsed by the International Committee for Weights and Measures.

AB - We report on the absolute frequency measurement of the 6s2 1S0-6s6p 3P0 transition in 171Yb with a fractional uncertainty of 7.3 × 10-16. A global positioning system carrier phase frequency transfer was established between National Institute of Metrology of China and East China Normal University, which linked the optical frequency of the ECNU Yb1 clock to the second in the International System of Units (SI) through international atomic time. Frequency measurements were carried out in 15 separate days with a total time over 3.8 × 105 s. The absolute frequency was determined to be 518 295 836 590 863.30(38) Hz. Our result is in good agreement with the recommended value in neutral Yb as a secondary representation of the SI second endorsed by the International Committee for Weights and Measures.

KW - Frequency metrology

KW - International atomic time

KW - Optical clock

KW - SI second

UR - https://www.scopus.com/pages/publications/85095977426

U2 - 10.1088/1681-7575/abb879

DO - 10.1088/1681-7575/abb879

M3 - 文章

AN - SCOPUS:85095977426

SN - 0026-1394

VL - 57

JO - Metrologia

JF - Metrologia

IS - 6

M1 - 065017

ER -

Absolute frequency measurement of an Yb optical clock at the 10^-¹⁶ level using International Atomic Time

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this