T-junction ion trap array for two-dimensional ion shuttling, storage, and manipulation
Open accessAbstract
We demonstrate a two-dimensional 11-zone ion trap array, where individual laser-cooled atomic ions are stored, separated, shuttled, and swapped. The trap geometry consists of two linear rf-ion trap sections that are joined at a 90° angle to form a T-shaped structure. We shuttle a single ion around the corners of the T-junction and swap the positions of two crystallized ions using voltage sequences designed to accommodate the nontrivial electrical potential near the junction. Full two-dimensional control of multiple ions demonstrated in this system may be crucial for the realization of scalable ion trap quantum computation and the implementation of quantum networks.
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Helios uses a four-way 'X' junction to connect memory regions to quantum logic regions without increasing electrical control or device fabrication complexity.
“Second, Helios uses a four-way ‘X’ junction10,11,29–35 to connect memory regions to quantum logic regions without increasing electrical control or device fabrication complexity.”
From A 98-qubit trapped-ion quantum computer with all-to-all connectivity (2026) · cites this paper as [30]
The future of QCCD systems is likely in 2D traps that offer better scaling of rearrangement times proportional to sqrt(N) and are well suited to many error-correcting codes.
“The future of QCCD systems is likely in 2D traps that offer better scaling of rearrangement times (proportional to ffiffiffiffi N p [17]) and are also well suited to many error-correcting codes [18,19].”
From A Race-Track Trapped-Ion Quantum Processor (2023) · cites this paper as [17]
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Trapped-ion quantum computing: Progress and challenges
Bruzewicz, C. D., Chiaverini, J., McConnell, R., & Sage, J. M. (2019) · Applied Physics Reviews · doi:10.1063/1.5088164 · Cited by 1,483 · see citing works
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Raussendorf, R., Harrington, J., & Goyal, K. (2007) · New Journal of Physics · doi:10.1088/1367-2630/9/6/199 · Cited by 617 · see citing works
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Moses, S. A., Baldwin, C. H., Allman, M. S., Ancona, R., Ascarrunz, L., Barnes, C., Bartolotta, J., Bjork, B., Blanchard, P., Bohn, M., et al. (2023) · Physical Review X · doi:10.1103/physrevx.13.041052 · Cited by 391 · see citing works
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Near-ground-state transport of trapped-ion qubits through a multidimensional array
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Self-citationNoise analysis for high-fidelity quantum entangling gates in an anharmonic linear Paul trap
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Transport of Multispecies Ion Crystals through a Junction in a Radio-Frequency Paul Trap
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A 98-qubit trapped-ion quantum computer with all-to-all connectivity
Ransford, A., Allman, M. S., Arkinstall, J., Campora, J. P., Cooper, S. F., Delaney, R. D., Dreiling, J. M., Estey, B., Figgatt, C., Hall, A., et al. (2026) · Nature · doi:10.1038/s41586-026-10676-4 · Cited by 16 · see citing works
- Authors
- Hensinger, W. K., Olmschenk, S., Stick, D., Hucul, D., Yeo, M., Acton, M., Deslauriers, L., Monroe, C., & Rabchuk, J.
- Affiliations
- University of Michigan (US)
- Western Illinois University (US)
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2006-01-16
- Volume
- 88
- Issue
- 3
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2000867743
- Cited by
- 164
- References
- 1
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 4 · 2023: 7 · 2022: 6 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 3 · 2017: 6 · 2016: 9 · 2015: 3 · 2014: 6 · 2013: 14 · 2012: 6
- FWCI
- 20.93
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Applied Physics Letters (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Deep Blue (University of Michigan) (submittedVersion)
- Sussex Research Online (University of Sussex) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Science Foundation
- National Security Agency
- Army Research Office
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Keywords
- ion trap arrays, Paul trap, ion storage, ion manipulation, quantum networks
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