Trapped-ion quantum computing: Progress and challenges

CD Bruzewicz, J Chiaverini, R McConnell… - Applied Physics …, 2019 - pubs.aip.org
Trapped ions are among the most promising systems for practical quantum computing (QC).
The basic requirements for universal QC have all been demonstrated with ions, and …

Quantum science with optical tweezer arrays of ultracold atoms and molecules

AM Kaufman, KK Ni - Nature Physics, 2021 - nature.com
Single atoms and molecules can be trapped in tightly focused beams of light that form
'optical tweezers', affording exquisite capabilities for the control and detection of individual …

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 …

Quantum-Logic Clock with a Systematic Uncertainty below

SM Brewer, JS Chen, AM Hankin, ER Clements… - Physical review …, 2019 - APS
We describe an optical atomic clock based on quantum-logic spectroscopy of the S 0 1↔ P
3 0 transition in Al+ 27 with a systematic uncertainty of 9.4× 10-19 and a frequency stability …

20 years of developments in optical frequency comb technology and applications

T Fortier, E Baumann - Communications Physics, 2019 - nature.com
Optical frequency combs were developed nearly two decades ago to support the world's
most precise atomic clocks. Acting as precision optical synthesizers, frequency combs …

Atomic clock performance enabling geodesy below the centimetre level

WF McGrew, X Zhang, RJ Fasano, SA Schäffer… - Nature, 2018 - nature.com
The passage of time is tracked by counting oscillations of a frequency reference, such as
Earth's revolutions or swings of a pendulum. By referencing atomic transitions, frequency …

Microresonator-based optical frequency combs

TJ Kippenberg, R Holzwarth, SA Diddams - science, 2011 - science.org
The series of precisely spaced, sharp spectral lines that form an optical frequency comb is
enabling unprecedented measurement capabilities and new applications in a wide range of …

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 …

Single-Ion Atomic Clock with Systematic Uncertainty

N Huntemann, C Sanner, B Lipphardt, C Tamm, E Peik - Physical review letters, 2016 - APS
We experimentally investigate an optical frequency standard based on the S 1/2 2 (F= 0)→ F
7/2 2 (F= 3) electric octupole (E 3) transition of a single trapped Yb+ 171 ion. For the …

[HTML][HTML] Systematic evaluation of an atomic clock at 2× 10− 18 total uncertainty

TL Nicholson, SL Campbell, RB Hutson… - Nature …, 2015 - nature.com
The pursuit of better atomic clocks has advanced many research areas, providing better
quantum state control, new insights in quantum science, tighter limits on fundamental …