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 …

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 …

A tweezer array with 6100 highly coherent atomic qubits

HJ Manetsch, G Nomura, E Bataille, KH Leung… - arxiv preprint arxiv …, 2024 - arxiv.org
Optical tweezer arrays have had a transformative impact on atomic and molecular physics
over the past years, and they now form the backbone for a wide range of leading …

Logical computation demonstrated with a neutral atom quantum processor

BW Reichardt, A Paetznick, D Aasen, I Basov… - arxiv preprint arxiv …, 2024 - arxiv.org
Transitioning from quantum computation on physical qubits to quantum computation on
encoded, logical qubits can improve the error rate of operations, and will be essential for …

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 …

Atomic clock locking with Bayesian quantum parameter estimation: Scheme and experiment

C Han, Z Ma, Y Qiu, R Fang, J Wu, C Zhan, M Li… - Physical Review …, 2024 - APS
Atomic clocks are crucial for science and technology, but their sensitivity is often restricted by
the standard quantum limit. To surpass this limit, correlations between particles or …

High-fidelity universal gates in the Yb ground state nuclear spin qubit

JA Muniz, M Stone, DT Stack, M Jaffe… - arxiv preprint arxiv …, 2024 - arxiv.org
Arrays of optically trapped neutral atoms are a promising architecture for the realization of
quantum computers. In order to run increasingly complex algorithms, it is advantageous to …