3 papers
physics.atom-ph2026
Ytterbium lattice clock with uncertainty of and instability of low
Qiang Zhu, Jingran Shi, Yuechen Zhang +8
We report an optical lattice clock based on Yb atoms with a total systematic uncertainty of . In-vacuum buildup cavity was employed to enhance the latti…
physics.atom-ph2025
First GNSS-deployed optical clock for local time scale upgrade
Yi Yuan, Jian Cao, Jinbo Yuan +14
Precise time scale is the universal base for all measurements. Here we report the deployment of a compact and transportable optical clock to a timekeeping institution and steering…
physics.atom-ph2025
Towards a compact transportable optical clock based on the octupole transition in 171Yb+
Xuanjian Wang, Jian Cao, Hualin Shu +5
Optical clocks have extremely attractive applications in many fields, including time-frequency metrology, validation of fundamental physical principles, and relativistic geodesy. T…