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 …

Noisy intermediate-scale quantum computers

B Cheng, XH Deng, X Gu, Y He, G Hu, P Huang, J Li… - Frontiers of …, 2023 - Springer
Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

High-fidelity gates and mid-circuit erasure conversion in an atomic qubit

S Ma, G Liu, P Peng, B Zhang, S Jandura, J Claes… - Nature, 2023 - nature.com
The development of scalable, high-fidelity qubits is a key challenge in quantum information
science. Neutral atom qubits have progressed rapidly in recent years, demonstrating …

A quantum processor based on coherent transport of entangled atom arrays

D Bluvstein, H Levine, G Semeghini, TT Wang, S Ebadi… - Nature, 2022 - nature.com
The ability to engineer parallel, programmable operations between desired qubits within a
quantum processor is key for building scalable quantum information systems,. In most state …

Erasure conversion for fault-tolerant quantum computing in alkaline earth Rydberg atom arrays

Y Wu, S Kolkowitz, S Puri, JD Thompson - Nature communications, 2022 - nature.com
Executing quantum algorithms on error-corrected logical qubits is a critical step for scalable
quantum computing, but the requisite numbers of qubits and physical error rates are …

Ytterbium nuclear-spin qubits in an optical tweezer array

A Jenkins, JW Lis, A Senoo, WF McGrew, AM Kaufman - Physical Review X, 2022 - APS
We report on the realization of a fast, scalable, and high-fidelity qubit architecture, based on
Yb 171 atoms in an optical tweezer array. We demonstrate several attractive properties of …

High-fidelity entanglement and detection of alkaline-earth Rydberg atoms

IS Madjarov, JP Covey, AL Shaw, J Choi, A Kale… - Nature Physics, 2020 - nature.com
Trapped neutral atoms have become a prominent platform for quantum science, where
entanglement fidelity records have been set using highly excited Rydberg states. However …

Universal Gate Operations on Nuclear Spin Qubits in an Optical Tweezer Array of Atoms

S Ma, AP Burgers, G Liu, J Wilson, B Zhang… - Physical Review X, 2022 - APS
Neutral atom arrays are a rapidly developing platform for quantum science. Recently,
alkaline earth atoms (AEAs) have attracted interest because their unique level structure …

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 …

Hardware-efficient, fault-tolerant quantum computation with Rydberg atoms

I Cong, H Levine, A Keesling, D Bluvstein, ST Wang… - Physical Review X, 2022 - APS
Neutral-atom arrays have recently emerged as a promising platform for quantum information
processing. One important remaining roadblock for the large-scale application of these …