Atom-by-atom assembly of defect-free one-dimensional cold atom arrays
Abstract
The realization of large-scale fully controllable quantum systems is an exciting frontier in modern physical science. We use atom-by-atom assembly to implement a platform for the deterministic preparation of regular one-dimensional arrays of individually controlled cold atoms. In our approach, a measurement and feedback procedure eliminates the entropy associated with probabilistic trap occupation and results in defect-free arrays of more than 50 atoms in less than 400 milliseconds. The technique is based on fast, real-time control of 100 optical tweezers, which we use to arrange atoms in desired geometric patterns and to maintain these configurations by replacing lost atoms with surplus atoms from a reservoir. This bottom-up approach may enable controlled engineering of scalable many-body systems for quantum information processing, quantum simulations, and precision measurements.
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Trap occupation probability after rearrangement for neutral atom quantum computers is 0.988.
“0.988 [47]”
From Neutral atom quantum computing hardware: performance and end-user perspective (2023) · cites this paper as [47]
Preparation including rearrangement for neutral atom quantum computers takes ∼400 ms.
“∼400 ms [47]”
From Neutral atom quantum computing hardware: performance and end-user perspective (2023) · cites this paper as [47]
Success probability for a defect-free array in neutral atom quantum computers is ∼0.75, depending on the size of the array.
“Success probability for defect-free array ∼0.75, depending on”
From Neutral atom quantum computing hardware: performance and end-user perspective (2023) · cites this paper as [47]
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- Authors
- Endres, M., Bernien, H., Keesling, A., Levine, H., Anschuetz, E. R., Krajenbrink, A., Senko, C., Vuletic, V., Greiner, M., & Lukin, M. D.
- Affiliations
- California Institute of Technology (US)
- Harvard University (US)
- Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
- Corresponding author
- Endres, Manuel
- Bernien, Hannes
- Keesling, Alexander
- Levine, Harry
- Krajenbrink, Alexandre
- ORCID
- Venue
- Science
- Published
- 2016-11-25
- Volume
- 354
- Issue
- 6315
- Pages
- 1024-1027
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2548871540
- Cited by
- 863
- References
- 1
- Citations by year
- 2026: 61 · 2025: 110 · 2024: 112 · 2023: 109 · 2022: 109 · 2021: 89 · 2020: 95 · 2019: 73 · 2018: 68 · 2017: 34 · 2016: 3
- FWCI
- 27.91
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- CaltechAUTHORS (California Institute of Technology) (acceptedVersion)
- CaltechAUTHORS (California Institute of Technology) (submittedVersion)
- Funders
- NSF
- Center for Ultracold Atoms
- National Security Science and Engineering Faculty Fellowship
- Harvard Quantum Optics Center
- Netherlands Organization for Scientific Research
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- cold atoms, optical tweezers, measurement and feedback, atom loss, scalable quantum systems, quantum simulation, quantum information processing
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