A compact, transportable optical clock with 1×10−17 uncertainty and its absolute frequency measurement

Improved Limits for Violations of Local Position Invariance from Atomic Clock Comparisons

(2021) R. Lange et al.   PHYSICAL REVIEW LETTERS

Evaluation of blackbody radiation shift with 2×10−18 uncertainty at room temperature for a transportable 40Ca+ optical clock

(2021) Ping Zhang et al.   METROLOGIA

Suppression of servo error uncertainty to 10-18 level using double integrator algorithm in ion optical clock

(2021) Jin-Bo Yuan et al.   Chinese Physics B

A87Sr optical lattice clock with 2.9 × 10  −17 uncertainty and its absolute frequency measurement

(2021) Yige Lin et al.   METROLOGIA

Test of general relativity by a pair of transportable optical lattice clocks

(2020) Masao Takamoto et al.   Nature Photonics

Integrated multiple wavelength stabilization on a multi-channel cavity for a transportable optical clock

(2020) Shaomao Wang et al.   OPTICS EXPRESS

Towards the optical second: verifying optical clocks at the SI limit

(2019) W. F. McGrew et al.   Optica

Al+27 Quantum-Logic Clock with a Systematic Uncertainty below 10−18

(2019) S. M. Brewer et al.   PHYSICAL REVIEW LETTERS

Demonstration of a Timescale Based on a Stable Optical Carrier

(2019) William R. Milner et al.   PHYSICAL REVIEW LETTERS

Optical-Clock-Based Time Scale

(2019) Jian Yao et al.   Physical Review Applied

Geodesy and metrology with a transportable optical clock

(2018) Jacopo Grotti et al.   Nature Physics

Months-long real-time generation of a time scale based on an optical clock

(2018) Hidekazu Hachisu et al.   Scientific Reports

The CIPM list of recommended frequency standard values: guidelines and procedures

(2018) Fritz Riehle et al.   METROLOGIA

Atomic clock performance enabling geodesy below the centimetre level

(2018) W. F. McGrew et al.   NATURE

Transportable Optical Lattice Clock with 7×10−17 Uncertainty

(2017) S. B. Koller et al.   PHYSICAL REVIEW LETTERS

Test of Special Relativity Using a Fiber Network of Optical Clocks

(2017) P. Delva et al.   PHYSICAL REVIEW LETTERS

Optical to microwave clock frequency ratios with a nearly continuous strontium optical lattice clock

(2016) Jérôme Lodewyck et al.   METROLOGIA

Single-Ion Atomic Clock with3×10−18Systematic Uncertainty

(2016) N. Huntemann et al.   PHYSICAL REVIEW LETTERS

Precision spectroscopy with a single40Ca+ion in a Paul trap

(2015) Hua Guan et al.   Chinese Physics B

Cryogenic optical lattice clocks

(2015) Ichiro Ushijima et al.   Nature Photonics

Sr88+single-ion optical clock with a stability approaching the quantum projection noise limit

(2015) Pierre Dubé et al.   PHYSICAL REVIEW A

Systematic evaluation of an atomic clock at 2 × 10−18 total uncertainty

(2015) T.L. Nicholson et al.   Nature Communications

Frequency Ratio of Two Optical Clock Transitions inYb+171and Constraints on the Time Variation of Fundamental Constants

(2014) R. M. Godun et al.   PHYSICAL REVIEW LETTERS

Improved Limit on a Temporal Variation ofmp/mefrom Comparisons ofYb+and Cs Atomic Clocks

(2014) N. Huntemann et al.   PHYSICAL REVIEW LETTERS

High-Accuracy Measurement of the Differential Scalar Polarizability of aSr+88Clock Using the Time-Dilation Effect

(2014) Pierre Dubé et al.   PHYSICAL REVIEW LETTERS

Optical Clocks and Relativity

(2010) C. W. Chou et al.   SCIENCE