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 simulators: Architectures and opportunities

E Altman, KR Brown, G Carleo, LD Carr, E Demler… - PRX quantum, 2021 - APS
Quantum simulators are a promising technology on the spectrum of quantum devices from
specialized quantum experiments to universal quantum computers. These quantum devices …

Resolving the gravitational redshift across a millimetre-scale atomic sample

T Bothwell, CJ Kennedy, A Aeppli, D Kedar… - Nature, 2022 - nature.com
Einstein's theory of general relativity states that clocks at different gravitational potentials tick
at different rates relative to lab coordinates—an effect known as the gravitational redshift. As …

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 …

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 …

Direct comparison of two spin-squeezed optical clock ensembles at the 10−17 level

JM Robinson, M Miklos, YM Tso, CJ Kennedy… - Nature Physics, 2024 - nature.com
Building scalable quantum systems that demonstrate performance enhancement based on
entanglement is a major goal in quantum computing and metrology. The main challenge …

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 …

Long-lived Bell states in an array of optical clock qubits

N Schine, AW Young, WJ Eckner, MJ Martin… - Nature Physics, 2022 - nature.com
The generation of long-lived entanglement in optical atomic clocks is one of the main goals
of quantum metrology. Arrays of neutral atoms, where Rydberg-based interactions may …