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 …

The last decade has witnessed tremendous progress in research on optical frequency
metrology. Optical frequency standards using optical lattice and single-ion trap technologies …

Transition frequencies of atoms and ions are among the most accurately accessible
quantities in nature, playing important roles in pushing the frontiers of science by testing …

We suggest that the holographic principle, combined with recent technological advances in
atomic, molecular, and optical physics, can lead to experimental studies of quantum gravity …

We report on a frequency ratio measurement of a Hg 199-based optical lattice clock
referencing a Sr 87-based clock. Evaluations of lattice light shift, including atomic-motion …

Ultrastable lasers and optical frequency combs have been the enabling technologies for the
tremendous progress made in precise optical spectroscopy over the last ten years …

490 M. Takamoto et al./CR Physique 16 (2015) 489–498 phase. Nous commençons par une
revue des horloges optiques à Sr cryogéniques qui réduisent le décalage de fréquence dû …

Optical lattice clocks surpass primary Cs microwave clocks in frequency stability and
accuracy, and are promising candidates for a redefinition of the second in the International …

We performed spectroscopic observations of the 698-nm clock transition in 87 Sr confined in
an optical lattice using a laser linewidth transfer technique. A narrow-linewidth laser …

The frequency ratio of the^ 1S_0 (F= 1/2)-^ 3P_0 (F= 1/2) clock transition in^ 171Yb and the^
1S_0 (F= 9/2)-^ 3P_0 (F= 9/2) clock transition in^ 87Sr is measured by an optical-optical …