Optical atomic clocks

AD Ludlow, MM Boyd, J Ye, E Peik, PO Schmidt - Reviews of Modern Physics, 2015 - APS
Optical atomic clocks represent the state of the art in the frontier of modern measurement
science. In this article a detailed review on the development of optical atomic clocks that are …

Atomic clocks for geodesy

TE Mehlstäubler, G Grosche, C Lisdat… - Reports on Progress …, 2018 - iopscience.iop.org
We review experimental progress on optical atomic clocks and frequency transfer, and
consider the prospects of using these technologies for geodetic measurements. Today …

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

Nature, 2021 - nature.com
Atomic clocks are vital in a wide array of technologies and experiments, including tests of
fundamental physics. Clocks operating at optical frequencies have now demonstrated …

JILA SrI optical lattice clock with uncertainty of

T Bothwell, D Kedar, E Oelker, JM Robinson… - Metrologia, 2019 - iopscience.iop.org
We report on an improved systematic evaluation of the JILA SrI optical lattice clock,
achieving a nearly identical uncertainty compared to the previous strontium record set by the …

Differential clock comparisons with a multiplexed optical lattice clock

X Zheng, J Dolde, V Lochab, BN Merriman, H Li… - Nature, 2022 - nature.com
Rapid progress in optical atomic clock performance has advanced the frontiers of
timekee**, metrology and quantum science,–. Despite considerable efforts, the …

Geodesy and metrology with a transportable optical clock

J Grotti, S Koller, S Vogt, S Häfner, U Sterr, C Lisdat… - Nature Physics, 2018 - nature.com
Optical atomic clocks, due to their unprecedented stability,–and uncertainty,,–, are already
being used to test physical theories, and herald a revision of the International System of …

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

F Riehle, P Gill, F Arias, L Robertsson - Metrologia, 2018 - iopscience.iop.org
A list of standard reference frequency values (LoF) of quantum transitions from the
microwave to the optical regime has been recommended by the International Committee for …

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

BJ Bloom, TL Nicholson, JR Williams, SL Campbell… - Nature, 2014 - nature.com
Progress in atomic, optical and quantum science, has led to rapid improvements in atomic
clocks. At the same time, atomic clock research has helped to advance the frontiers of …

Frequency Comparison of Two High-Accuracy Optical Clocks

C Chou, DB Hume, JCJ Koelemeij, DJ Wineland… - Physical review …, 2010 - APS
We have constructed an optical clock with a fractional frequency inaccuracy of 8.6× 10-18,
based on quantum logic spectroscopy of an Al+ ion. A simultaneously trapped Mg+ ion …

Theory and applications of atomic and ionic polarizabilities

J Mitroy, MS Safronova, CW Clark - Journal of Physics B: Atomic …, 2010 - iopscience.iop.org
Atomic polarization phenomena im**e upon a number of areas and processes in physics.
The dielectric constant and refractive index of any gas are examples of macroscopic …