Learning quantum systems

V Gebhart, R Santagati, AA Gentile, EM Gauger… - Nature Reviews …, 2023 - nature.com
The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

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 …

Erasure conversion in a high-fidelity Rydberg quantum simulator

P Scholl, AL Shaw, RBS Tsai, R Finkelstein, J Choi… - Nature, 2023 - nature.com
Minimizing and understanding errors is critical for quantum science, both in noisy
intermediate scale quantum (NISQ) devices and for the quest towards fault-tolerant quantum …

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 …

Scalable spin squeezing in a dipolar Rydberg atom array

G Bornet, G Emperauger, C Chen, B Ye, M Block… - Nature, 2023 - nature.com
The standard quantum limit bounds the precision of measurements that can be achieved by
ensembles of uncorrelated particles. Fundamentally, this limit arises from the non …

Quantum-enhanced sensing on optical transitions through finite-range interactions

J Franke, SR Muleady, R Kaubruegger, F Kranzl… - Nature, 2023 - nature.com
The control over quantum states in atomic systems has led to the most precise optical atomic
clocks so far,–. Their sensitivity is bounded at present by the standard quantum limit, a …

[HTML][HTML] Photonic quantum metrology

E Polino, M Valeri, N Spagnolo, F Sciarrino - AVS Quantum Science, 2020 - pubs.aip.org
Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Programmable interactions and emergent geometry in an array of atom clouds

A Periwal, ES Cooper, P Kunkel, JF Wienand, EJ Davis… - Nature, 2021 - nature.com
Interactions govern the flow of information and the formation of correlations between
constituents of many-body quantum systems, dictating phases of matter found in nature and …

Generation and manipulation of Schrödinger cat states in Rydberg atom arrays

A Omran, H Levine, A Keesling, G Semeghini, TT Wang… - Science, 2019 - science.org
Quantum entanglement involving coherent superpositions of macroscopically distinct states
is among the most striking features of quantum theory, but its realization is challenging …

Optimal metrology with programmable quantum sensors

CD Marciniak, T Feldker, I Pogorelov, R Kaubruegger… - Nature, 2022 - nature.com
Quantum sensors are an established technology that has created new opportunities for
precision sensing across the breadth of science. Using entanglement for quantum …