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 …

Matter-wave atomic gradiometer interferometric sensor (MAGIS-100)

M Abe, P Adamson, M Borcean… - Quantum Science …, 2021 - iopscience.iop.org
MAGIS-100 is a next-generation quantum sensor under construction at Fermilab that aims to
explore fundamental physics with atom interferometry over a 100 m baseline. This novel …

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
timekeeping, metrology and quantum science,–. Despite considerable efforts, the …

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 …

Comparison of Two Independent Sr Optical Clocks with 1<? format?>×<? format?> 10-17 Stability at 10 3 s

TL Nicholson, MJ Martin, JR Williams, BJ Bloom… - Physical review …, 2012 - APS
Many-particle optical lattice clocks have the potential for unprecedented measurement
precision and stability due to their low quantum projection noise. However, this potential has …

Frequency measurements of superradiance from the strontium clock transition

MA Norcia, JRK Cline, JA Muniz, JM Robinson… - Physical Review X, 2018 - APS
We present the first characterization of the spectral properties of superradiant light emitted
from the ultranarrow, 1-mHz-linewidth optical clock transition in an ensemble of cold Sr 87 …

Operational magic intensity for Sr optical lattice clocks

I Ushijima, M Takamoto, H Katori - Physical review letters, 2018 - APS
We experimentally investigate the lattice-induced light shift by the electric-quadrupole (E 2)
and magnetic-dipole (M 1) polarizabilities and the hyperpolarizability in Sr optical lattice …

Blackbody-radiation shift in the Sr optical atomic clock

MS Safronova, SG Porsev, UI Safronova… - Physical Review A …, 2013 - APS
We evaluated the static and dynamic polarizabilities of the 5 s 2 1 S 0 and 5 s 5 p 3 P 0 o
states of Sr using the high-precision relativistic configuration interaction combined with the …

High phase-space density of laser-cooled molecules in an optical lattice

Y Wu, JJ Burau, K Mehling, J Ye, S Ding - Physical review letters, 2021 - APS
We report laser cooling and trapping of yttrium monoxide molecules in an optical lattice. We
show that gray molasses cooling remains exceptionally efficient for yttrium monoxide …

Optical spectrum analyzer with quantum-limited noise floor

M Bishof, X Zhang, MJ Martin, J Ye - Physical review letters, 2013 - APS
Interactions between atoms and lasers provide the potential for unprecedented control of
quantum states. Fulfilling this potential requires detailed knowledge of frequency noise in …