JILA SrI optical lattice clock with uncertainty of $2.0 \times 10^{-18}$

Optical clock comparison for Lorentz symmetry testing

(2019) Christian Sanner et al.   NATURE

Demonstration of 4.8 × 10−17 stability at 1 s for two independent optical clocks

(2019) E. Oelker et al.   Nature Photonics

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

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

Multipolar Polarizabilities and Hyperpolarizabilities in the Sr Optical Lattice Clock

(2018) S. G. Porsev et al.   PHYSICAL REVIEW LETTERS

Search for new physics with atoms and molecules

(2018) M. S. Safronova et al.   REVIEWS OF MODERN PHYSICS

Atomic clock performance enabling geodesy below the centimetre level

(2018) W. F. McGrew et al.   NATURE

Operational Magic Intensity for Sr Optical Lattice Clocks

(2018) Ichiro Ushijima et al.   PHYSICAL REVIEW LETTERS

A re-evaluation of the relativistic redshift on frequency standards at NIST, Boulder, Colorado, USA

(2017) Nikolaos K Pavlis et al.   METROLOGIA

Hyperpolarizability and Operational Magic Wavelength in an Optical Lattice Clock

(2017) R. C. Brown et al.   PHYSICAL REVIEW LETTERS

1.5  μm Lasers with Sub-10 mHz Linewidth

(2017) D. G. Matei et al.   PHYSICAL REVIEW LETTERS

A Fermi-degenerate three-dimensional optical lattice clock

(2017) S. L. Campbell et al.   SCIENCE

Search for domain wall dark matter with atomic clocks on board global positioning system satellites

(2017) Benjamin M. Roberts et al.   Nature Communications

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

(2016) Jérôme Lodewyck et al.   METROLOGIA

Synchronization of Distant Optical Clocks at the Femtosecond Level

(2016) Jean-Daniel Deschênes et al.   Physical Review X

Realization of a timescale with an accurate optical lattice clock

(2016) Christian Grebing et al.   Optica

Experimental constraint on dark matter detection with optical atomic clocks

(2016) P. Wcisło et al.   Nature Astronomy

Cryogenic optical lattice clocks

(2015) Ichiro Ushijima et al.   Nature Photonics

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

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

An optical lattice clock with accuracy and stability at the 10−18 level

(2014) B. J. Bloom et al.   NATURE

Hunting for topological dark matter with atomic clocks

(2014) A. Derevianko et al.   Nature Physics

Atomic Clock with1×10−18Room-Temperature Blackbody Stark Uncertainty

(2014) K. Beloy et al.   PHYSICAL REVIEW LETTERS

Spectroscopic observation of SU(N)-symmetric interactions in Sr orbital magnetism

(2014) X. Zhang et al.   SCIENCE

Blackbody-radiation shift in the Sr optical atomic clock

(2013) M. S. Safronova et al.   PHYSICAL REVIEW A

A Quantum Many-Body Spin System in an Optical Lattice Clock

(2013) M. J. Martin et al.   SCIENCE

Delivering pulsed and phase stable light to atoms of an optical clock

(2012) S. Falke et al.   APPLIED PHYSICS B-LASERS AND OPTICS

Operating a 87Sr optical lattice clock with high precision and at high density

(2012) M. D. Swallows et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

High Accuracy Correction of Blackbody Radiation Shift in an Optical Lattice Clock

(2012) Thomas Middelmann et al.   PHYSICAL REVIEW LETTERS

The87Sr optical frequency standard at PTB

(2011) St Falke et al.   METROLOGIA

Lattice-Induced Frequency Shifts in Sr Optical Lattice Clocks at the10−17Level

(2011) P. G. Westergaard et al.   PHYSICAL REVIEW LETTERS

Dispersion and polarization interactions of the strontium atom

(2010) J. Mitroy et al.   MOLECULAR PHYSICS

The absolute frequency of the87Sr optical clock transition

(2008) Gretchen K Campbell et al.   METROLOGIA

New Limits on Coupling of Fundamental Constants to Gravity UsingSr87Optical Lattice Clocks

(2008) S. Blatt et al.   PHYSICAL REVIEW LETTERS