Universal quantum operations and ancilla-based read-out for tweezer clocks

R Finkelstein, RBS Tsai, X Sun, P Scholl, S Direkci… - Nature, 2024 - nature.com
Enhancing the precision of measurements by harnessing entanglement is a long-sought
goal in quantum metrology,. Yet attaining the best sensitivity allowed by quantum theory in …

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 …

Spectroscopy and Modeling of Rydberg States for High-Fidelity Two-Qubit Gates

M Peper, Y Li, DY Knapp, M Bileska, S Ma, G Liu… - Physical Review X, 2025 - APS
Highly excited Rydberg states and their interactions play an important role in quantum
computing and simulation. These properties can be predicted accurately for alkali atoms …

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 …

A universal neutral-atom quantum computer with individual optical addressing and non-destructive readout

AG Radnaev, WC Chung, DC Cole, D Mason… - arxiv preprint arxiv …, 2024 - arxiv.org
Quantum computers must achieve large-scale, fault-tolerant operation to deliver on their
promise of transformational processing power [1-4]. This will require thousands or millions of …

Computational capabilities and compiler development for neutral atom quantum processors—connecting tool developers and hardware experts

L Schmid, DF Locher, M Rispler, S Blatt… - Quantum Science …, 2024 - iopscience.iop.org
Abstract Neutral Atom Quantum Computing (NAQC) emerges as a promising hardware
platform primarily due to its long coherence times and scalability. Additionally, NAQC offers …

Hamilton-Jacobi-Bellman equations for Rydberg-blockade processes

C Fromonteil, R Tricarico, F Cesa, H Pichler - Physical Review Research, 2024 - APS
We discuss time-optimal control problems for two setups involving globally driven Rydberg
atoms in the blockade limit by deriving the associated Hamilton-Jacobi-Bellman equations …

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 …

Toward a 2D Local Implementation of Quantum Low-Density Parity-Check Codes

N Berthusen, D Devulapalli, E Schoute, AM Childs… - PRX Quantum, 2025 - APS
Geometric locality is an important theoretical and practical factor for quantum low-density
parity-check (qLDPC) codes that affects code performance and ease of physical realization …

Supersolidity in Rydberg tweezer arrays

L Homeier, S Hollerith, S Geier, NC Chiu, A Browaeys… - Physical Review A, 2025 - APS
Rydberg tweezer arrays provide a versatile platform to explore quantum magnets with
dipolar XY or van der Waals Ising ZZ interactions. Here, we propose a scheme combining …