Absolute frequency measurement of the 171Yb optical lattice clock at KRISS using TAI for over a year

Frequency ratio measurements at 18-digit accuracy using an optical clock network

(2021)   NATURE

Characterization and Suppression of Background Light Shifts in an Optical Lattice Clock

(2021) R.J. Fasano et al.   Physical Review Applied

First accuracy evaluation of the NRC-FCs2 primary frequency standard

(2020) Scott Beattie et al.   METROLOGIA

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

(2020) Masao Takamoto et al.   Nature Photonics

Direct measurement of the frequency ratio for Hg and Yb optical lattice clocks and closure of the Hg/Yb/Sr loop

(2020) Noriaki Ohmae et al.   OPTICS EXPRESS

Robust frequency stabilization and linewidth narrowing of a laser with large intermittent frequency jumps using an optical cavity and an atomic beam

(2020) Won-Kyu Lee et al.   APPLIED OPTICS

Absolute frequency measurement of an Yb optical clock at the 10-16 level using international atomic time

(2020) Limeng Luo et al.   METROLOGIA

Absolute frequency of 87Sr at 1.8×10-16 uncertainty by reference to remote Primary Frequency Standards

(2020) Nils Nemitz et al.   METROLOGIA

Improved frequency ratio measurement with 87Sr and 171Yb optical lattice clocks at NMIJ

(2020) Yusuke Hisai et al.   METROLOGIA

Intercontinental comparison of optical atomic clocks through very long baseline interferometry

(2020) Marco Pizzocaro et al.   Nature Physics

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

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

(2019) Tobias Bothwell et al.   METROLOGIA

Absolute frequency measurement of the 1S0 – 3P0 transition of 171Yb with a link to International Atomic Time

(2019) Marco Pizzocaro et al.   METROLOGIA

Dual-Mode Operation of an Optical Lattice Clock Using Strontium and Ytterbium Atoms

(2018) Daisuke Akamatsu et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Advanced Satellite-Based Frequency Transfer at the 10−16 Level

(2018) Miho Fujieda et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Geodesy and metrology with a transportable optical clock

(2018) Jacopo Grotti et al.   Nature Physics

Laser frequency stabilization using a commercial wavelength meter

(2018) Luc Couturier et al.   REVIEW OF SCIENTIFIC INSTRUMENTS

Systematic evaluation of a 171Yb optical clock by synchronous comparison between two lattice systems

(2018) Qi Gao et al.   Scientific Reports

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

(2018) Fritz Riehle et al.   METROLOGIA

Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks

(2018) Stefan Weyers et al.   METROLOGIA

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

Improved absolute frequency measurement of the171Yb optical lattice clock at KRISS relative to the SI second

(2017) Huidong Kim et al.   JAPANESE JOURNAL OF APPLIED PHYSICS

Budget of Uncertainties in the Cesium Frequency Frame of Fountain Type

(2017) I. Yu. Blinov et al.   MEASUREMENT TECHNIQUES

Absolute frequency measurement of the $}^{1\text{S_{0}}$ – $}^{3\text{P_{0}}$ transition of171Yb

(2017) Marco Pizzocaro et al.   METROLOGIA

First international comparison of fountain primary frequency standards via a long distance optical fiber link

(2017) J Guéna et al.   METROLOGIA

Clock spectroscopy of interacting bosons in deep optical lattices

(2017) R Bouganne et al.   NEW JOURNAL OF PHYSICS

State-dependent interactions in ultracold 174Yb probed by optical clock spectroscopy

(2017) L Franchi et al.   NEW JOURNAL OF PHYSICS

SI-traceable measurement of an optical frequency at the low 10^−16 level without a local primary standard

(2017) Hidekazu Hachisu et al.   OPTICS EXPRESS

Hyperpolarizability and Operational Magic Wavelength in an Optical Lattice Clock

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

Clock and inter-combination line frequency separation in171Yb

(2016) L Nenadović et al.   JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Frequency ratio of Yb and Sr clocks with 5 × 10−17 uncertainty at 150 seconds averaging time

(2016) Nils Nemitz et al.   Nature Photonics

Ultrastable optical clock with two cold-atom ensembles

(2016) M. Schioppo et al.   Nature Photonics

Cancellation of collisional frequency shifts in optical lattice clocks with Rabi spectroscopy

(2016) Sangkyung Lee et al.   NEW JOURNAL OF PHYSICS

Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination

(2016) Cecilia Clivati et al.   OPTICS EXPRESS

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

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

High-performance near- and mid-infrared crystalline coatings

(2016) Garrett D. Cole et al.   Optica

Frequency ratios of Sr, Yb, and Hg based optical lattice clocks and their applications

(2015) Masao Takamoto et al.   COMPTES RENDUS PHYSIQUE

On the relation between uncertainties of weighted frequency averages and the various types of Allan deviations

(2015) Erik Benkler et al.   METROLOGIA

NIM5 Cs fountain clock and its evaluation

(2015) Fang Fang et al.   METROLOGIA

Core-shell magneto-optical trap for alkaline-earth-metal-like atoms

(2015) Jeongwon Lee et al.   PHYSICAL REVIEW A

Contributing to TAI with a secondary representation of the SI second

(2014) J Guéna et al.   METROLOGIA

Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain

(2014) Filippo Levi et al.   METROLOGIA

A strontium lattice clock with 3 × 10−17inaccuracy and its frequency

(2014) Stephan Falke et al.   NEW JOURNAL OF PHYSICS

Errata: Frequency ratio measurement of ^171Yb and ^87Sr optical lattice clocks

(2014) Daisuke Akamatsu et al.   OPTICS EXPRESS

Frequency ratio measurement of ^171Yb and ^87Sr optical lattice clocks

(2014) Daisuke Akamatsu et al.   OPTICS EXPRESS

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

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

An Yb optical lattice clock: Current status at KRISS

(2013) Dai-Hyuk Yu et al.   JOURNAL OF THE KOREAN PHYSICAL SOCIETY

Absolute frequency measurement of1S0(F= 1/2)–3P0(F= 1/2) transition of171Yb atoms in a one-dimensional optical lattice at KRISS

(2013) Chang Yong Park et al.   METROLOGIA

Improved Absolute Frequency Measurement of the $^{171}$Yb Optical Lattice Clock towards a Candidate for the Redefinition of the Second

(2012) Masami Yasuda et al.   Applied Physics Express

Progress in atomic fountains at LNE-SYRTE

(2012) J. Guena et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

The development and evaluation of the Earth Gravitational Model 2008 (EGM2008)

(2012) Nikolaos K. Pavlis et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Improved accuracy of the NPL-CsF2 primary frequency standard: evaluation of distributed cavity phase and microwave lensing frequency shifts

(2011) Ruoxin Li et al.   METROLOGIA

Generation of 578-nm yellow light over 10 mW by second harmonic generation of an 1156-nm external-cavity diode laser

(2011) Won-Kyu Lee et al.   OPTICS EXPRESS

When should we change the definition of the second?

(2011) P. Gill   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

A theoretical and experimental analysis of frequency transfer uncertainty, including frequency transfer into TAI

(2010) Gianna Panfilo et al.   METROLOGIA

Narrow linewidth 578 nm light generation using frequency-doubling with a waveguide PPLN pumped by an optical injection-locked diode laser

(2010) Eok Bong Kim et al.   OPTICS EXPRESS

One-Dimensional Optical Lattice Clock with a Fermionic171Yb Isotope

(2009) Takuya Kohno et al.   Applied Physics Express

Spin-1/2Optical Lattice Clock

(2009) N. Lemke et al.   PHYSICAL REVIEW LETTERS