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 …

Optical atomic clocks

N Poli, CW Oates, P Gill, GM Tino - La Rivista del Nuovo Cimento, 2013‏ - Springer
In the last ten years extraordinary results in time and frequency metrology have been
demonstrated. Frequency-stabilization techniques for continuous-wave lasers and …

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 …

Searching for dilaton dark matter with atomic clocks

A Arvanitaki, J Huang, K Van Tilburg - Physical Review D, 2015‏ - APS
We propose an experiment to search for ultralight scalar dark matter (DM) with dilatonic
interactions. Such couplings can arise for the dilaton as well as for moduli and axion-like …

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

T Rosenband, DB Hume, PO Schmidt, CW Chou… - Science, 2008‏ - science.org
Time has always had a special status in physics because of its fundamental role in
specifying the regularities of nature and because of the extraordinary precision with which it …

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

WF McGrew, X Zhang, H Leopardi, RJ Fasano… - Optica, 2019‏ - opg.optica.org
The pursuit of ever more precise measures of time and frequency motivates redefinition of
the second in terms of an optical atomic transition. To ensure continuity with the current …

Spin- Optical Lattice Clock

ND Lemke, AD Ludlow, ZW Barber, TM Fortier… - Physical Review Letters, 2009‏ - APS
We experimentally investigate an optical clock based on Yb 171 (I= 1/2) atoms confined in
an optical lattice. We have evaluated all known frequency shifts to the clock transition …

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

BACONB Collaboration - Nature, 2021‏ - academia.edu
Atomic clocks are vital in a wide array of technologies and experiments, including tests of
fundamental physics 1. Clocks operating at optical frequencies have now demonstrated …

Single-branch Er:fiber frequency comb for precision optical metrology with 10−18 fractional instability

H Leopardi, J Davila-Rodriguez, F Quinlan, J Olson… - Optica, 2017‏ - opg.optica.org
The comparison of optical atomic clocks with frequency instabilities reaching 1 part in 10^ 16
at 1 s will enable more stringent tests of fundamental physics. These comparisons, mediated …

Evaluation of systematic shifts of the Sr single-ion optical frequency standard at the level

P Dubé, AA Madej, Z Zhou, JE Bernard - Physical Review A—Atomic, Molecular …, 2013‏ - APS
An ion trap of the end-cap design was built recently at the National Research Council of
Canada for improved control of the 88 Sr+ single-ion optical frequency standard systematic …