Rearrangement of individual atoms in a 2000-site optical-tweezer array at cryogenic temperatures

G Pichard, D Lim, É Bloch, J Vaneecloo, L Bourachot… - Physical Review …, 2024 - APS
We report on the trapping of single rubidium atoms in large arrays of optical tweezers
comprising up to 2088 sites in a cryogenic environment at 6 K. Our approach relies on the …

Hybrid Atom Tweezer Array of Nuclear Spin and Optical Clock Qubits

Y Nakamura, T Kusano, R Yokoyama, K Saito… - Physical Review X, 2024 - APS
While data qubits with a long coherence time are essential for the storage of quantum
information, ancilla qubits are pivotal in quantum error correction (QEC) for fault-tolerant …

[PDF][PDF] Circuit-Based Leakage-to-Erasure Conversion in a Neutral-Atom Quantum Processor

MNH Chow, V Buchemmavari, S Omanakuttan… - PRX Quantum, 2024 - APS
Atom-loss errors are a major limitation of current state-of-the-art neutral-atom quantum
computers and pose a significant challenge for scalable systems. In a quantum processor …

Benchmarking and linear response modeling of high-fidelity Rydberg gates

RBS Tsai, X Sun, AL Shaw, R Finkelstein… - arXiv preprint arXiv …, 2024 - arxiv.org
The fidelity of entangling operations is a key figure of merit in quantum information
processing, especially in the context of quantum error correction. High-fidelity entangling …

Optimized measurement-free and fault-tolerant quantum error correction for neutral atoms

S Veroni, M Müller, G Giudice - Physical Review Research, 2024 - APS
A major challenge in performing quantum error correction (QEC) is implementing reliable
measurements and conditional feed-forward operations. In quantum computing platforms …

Scalable, high-fidelity all-electronic control of trapped-ion qubits

CM Löschnauer, JM Toba, AC Hughes, SA King… - arXiv preprint arXiv …, 2024 - arxiv.org
The central challenge of quantum computing is implementing high-fidelity quantum gates at
scale. However, many existing approaches to qubit control suffer from a scale-performance …

Verifiable measurement-based quantum random sampling with trapped ions

M Ringbauer, M Hinsche, T Feldker… - Nature …, 2025 - nature.com
Quantum computers are now on the brink of outperforming their classical counterparts. One
way to demonstrate the advantage of quantum computation is through quantum random …

Quantum coarsening and collective dynamics on a programmable quantum simulator

T Manovitz, SH Li, S Ebadi, R Samajdar… - arXiv preprint arXiv …, 2024 - arxiv.org
Understanding the collective quantum dynamics of nonequilibrium many-body systems is an
outstanding challenge in quantum science. In particular, dynamics driven by quantum …

Ultraprecise holographic optical tweezer array

YT Chew, M Poitrinal, T Tomita, S Kitade, J Mauricio… - Physical Review A, 2024 - APS
Neutral atoms trapped in microscopic optical tweezers have emerged as a growing platform
for quantum science. Achieving homogeneity over the tweezers array is an important …

Engineering Rydberg-pair interactions in divalent atoms with hyperfine-split ionization thresholds

F Hummel, S Weber, J Mögerle, H Menke, J King… - Physical Review A, 2024 - APS
Quantum information processing with neutral atoms relies on Rydberg excitation for
entanglement generation. While the use of heavy divalent or open-shell elements, such as …