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 …

Quantum sensing

CL Degen, F Reinhard, P Cappellaro - Reviews of modern physics, 2017 - APS
“Quantum sensing” describes the use of a quantum system, quantum properties, or quantum
phenomena to perform a measurement of a physical quantity. Historical examples of …

Multi-qubit gates and Schrödinger cat states in an optical clock

A Cao, WJ Eckner, T Lukin Yelin, AW Young… - Nature, 2024 - nature.com
Many-particle entanglement is a key resource for achieving the fundamental precision limits
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …

Clock with Systematic Uncertainty

A Aeppli, K Kim, W Warfield, MS Safronova, J Ye - Physical Review Letters, 2024 - APS
We report an optical lattice clock with a total systematic uncertainty of 8.1× 10-19 in fractional
frequency units, representing the lowest uncertainty of any clock to date. The clock relies on …

Realizing spin squeezing with Rydberg interactions in an optical clock

WJ Eckner, N Darkwah Oppong, A Cao, AW Young… - Nature, 2023 - nature.com
Neutral-atom arrays trapped in optical potentials are a powerful platform for studying
quantum physics, combining precise single-particle control and detection with a range of …

Iterative Assembly of Atom Arrays with Cavity-Enhanced Optical Lattices

MA Norcia, H Kim, WB Cairncross, M Stone, A Ryou… - PRX Quantum, 2024 - APS
Assembling and maintaining large arrays of individually addressable atoms is a key
requirement for continued scaling of neutral-atom-based quantum computers and …

Demonstration of 4.8 × 10−17 stability at 1 s for two independent optical clocks

E Oelker, RB Hutson, CJ Kennedy, L Sonderhouse… - Nature …, 2019 - nature.com
Optical atomic clocks require local oscillators with exceptional optical coherence owing to
the challenge of performing spectroscopy on their ultranarrow-linewidth clock transitions …

Half-minute-scale atomic coherence and high relative stability in a tweezer clock

AW Young, WJ Eckner, WR Milner, D Kedar, MA Norcia… - Nature, 2020 - nature.com
The preparation of large, low-entropy, highly coherent ensembles of identical quantum
systems is fundamental for many studies in quantum metrology, simulation and information …