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

Crystalline optical cavity at 4  K with thermal-noise-limited instability and ultralow drift

(2019) John M. Robinson et al.   Optica

Optical clock comparison for Lorentz symmetry testing

(2019) Christian Sanner et al.   NATURE

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

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

Geodesy and metrology with a transportable optical clock

(2018) Jacopo Grotti et al.   Nature Physics

Imaging Optical Frequencies with 100  μHz Precision and 1.1  μm Resolution

(2018) G. Edward Marti et al.   PHYSICAL REVIEW LETTERS

Atomic clock performance enabling geodesy below the centimetre level

(2018) W. F. McGrew et al.   NATURE

Optical clock networks

(2017) Fritz Riehle   Nature Photonics

Ultrastable Silicon Cavity in a Continuously Operating Closed-Cycle Cryostat at 4 K

(2017) W. Zhang et al.   PHYSICAL REVIEW LETTERS

1.5  μm Lasers with Sub-10 mHz Linewidth

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

Test of Special Relativity Using a Fiber Network of Optical Clocks

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

A Fermi-degenerate three-dimensional optical lattice clock

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

Spin–orbit-coupled fermions in an optical lattice clock

(2016) S. Kolkowitz et al.   NATURE

Ultrastable optical clock with two cold-atom ensembles

(2016) M. Schioppo et al.   Nature Photonics

Geopotential measurements with synchronously linked optical lattice clocks

(2016) Tetsushi Takano et al.   Nature Photonics

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

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

Towards a redefinition of the second based on optical atomic clocks

(2015) Fritz Riehle   COMPTES RENDUS PHYSIQUE

Cryogenic optical lattice clocks

(2015) Ichiro Ushijima et al.   Nature Photonics

8  ×  10^−17 fractional laser frequency instability with a long room-temperature cavity

(2015) Sebastian Häfner et al.   OPTICS LETTERS

Noise and instability of an optical lattice clock

(2015) Ali Al-Masoudi et al.   PHYSICAL REVIEW A

Searching for dilaton dark matter with atomic clocks

(2015) Asimina Arvanitaki et al.   PHYSICAL REVIEW D

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

Reduction of residual amplitude modulation to 1 × 10^-6 for frequency modulation and laser stabilization

(2014) W. Zhang et al.   OPTICS LETTERS

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

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

(2014) X. Zhang et al.   SCIENCE

Tenfold reduction of Brownian noise in high-reflectivity optical coatings

(2013) Garrett D. Cole et al.   Nature Photonics

Optical Spectrum Analyzer with Quantum-Limited Noise Floor

(2013) M. Bishof et al.   PHYSICAL REVIEW LETTERS

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

A sub-40-mHz-linewidth laser based on a silicon single-crystal optical cavity

(2012) T. Kessler et al.   Nature Photonics

Comparison of Two Independent Sr Optical Clocks with1×10−17Stability at103  s

(2012) T. L. Nicholson et al.   PHYSICAL REVIEW LETTERS

Frequency comparison of optical lattice clocks beyond the Dick limit

(2011) Masao Takamoto et al.   Nature Photonics

Optical Clocks and Relativity

(2010) C. W. Chou et al.   SCIENCE

Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place

(2008) T. Rosenband et al.   SCIENCE