A high-fidelity quantum matter-link between ion-trap microchip modules
Open accessAbstract
System scalability is fundamental for large-scale quantum computers (QCs) and is being pursued over a variety of hardware platforms. For QCs based on trapped ions, architectures such as the quantum charge-coupled device (QCCD) are used to scale the number of qubits on a single device. However, the number of ions that can be hosted on a single quantum computing module is limited by the size of the chip being used. Therefore, a modular approach is of critical importance and requires quantum connections between individual modules. Here, we present the demonstration of a quantum matter-link in which ion qubits are transferred between adjacent QC modules. Ion transport between adjacent modules is realised at a rate of 2424 s −1 and with an infidelity associated with ion loss during transport below 7 × 10 −8 . Furthermore, we show that the link does not measurably impact the phase coherence of the qubit. The quantum matter-link constitutes a practical mechanism for the interconnection of QCCD devices. Our work will facilitate the implementation of modular QCs capable of fault-tolerant utility-scale quantum computation.
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2D traps present new engineering challenges that are still under development, such as junction transport and signal routing under the trap's top metal layer.
“However, 2D traps present new engineering challenges that are still under development, such as junction transport [20,21] and signal routing under the trap's top metal layer.”
From A Race-Track Trapped-Ion Quantum Processor (2023) · cites this paper as [20]
The citation is attached to junction transport, not signal routing. The Introduction depicts X-junctions in a proposed architecture, but the Results (Experimental set-up; Inter-module ion transport) describe transport between two linear traps across an inter-module gap. A search for junction transport found no passage saying it remains an engineering challenge under development. (LLM, conf=0.76)
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Robotic Vectorial Field Alignment for Spin‐Based Quantum Sensors
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Concatenated open-loop control for higher-order photon polarization qubit decoherence
Damodarakurup, S., Alif, B., Bhadranandan, C., Ulahannan, J. P., & Soorat, R. (2024) · Indian Journal of Physics · doi:10.1007/s12648-024-03112-8 · Cited by 1 · see citing works
Fonseca, D. B., Barbosa, A. L. R., Moraes, F., Almeida, G. M. A., & de Moura, F. A. B. F. (2024) · Physics Letters A · doi:10.1016/j.physleta.2024.129963 · Cited by 1 · see citing works
Heralded long-distance entanglement schemes for waveguide systems in quantum networks
Wang, L.-X., Ye, Y.-P., Zhang, C.-F., Wei, H., & Song, G. (2025) · Physical Review Applied · doi:10.1103/ywz1-gqzg · Cited by 1 · see citing works
Multiplexed Control at Scale for Electrode Arrays in Trapped-Ion Quantum Processors
Ohira, R., Morisaka, S., Nakamura, I., Noguchi, A., & Miyoshi, T. (2025) · IEEE International Conference on Quantum Computing and Engineering (QCE) · doi:10.1109/qce65121.2025.00150 · Cited by 1 · see citing works
Trapping an atomic ion using time-division multiplexed digital-to-analog converters
Ohira, R., Miyamoto, M., Morisaka, S., Nakamura, I., Noguchi, A., Tanaka, U., & Miyoshi, T. (2025) · Applied Physics Letters · doi:10.1063/5.0294871 · Cited by 1 · see citing works
Design and fabrication of ion traps for low RF power dissipation
Sterk, J. D., Blain, M. G., Delaney, M. A., Haltli, R. A., Heller, E., Holterhoff, A. L., Jennings, T., Jimenez, N., Katz, O., Kozhanov, A. E., et al. (2026) · AVS Quantum Science · doi:10.1116/5.0332336 · Cited by 1 · see citing works
FPGA-accelerated Quantum Transport Measurements
Haarman, T., de Almeida, A. S., Heskes, A., Zwanenburg, F. A., & Alachiotis, N. (2023) · International Conference on Field-Programmable Technology (FPT) · doi:10.1109/icfpt59805.2023.00010 · Cited by 1 · see citing works
Goh, S. C. K., Utama, A. N., Yu, H., Zhou, Y. Y., Dileep, M., Liu, C., Ahmadi, M., Leong, V., Mukherjee, M., Chui, K.-J., et al. (2024) · Optical Interconnects and Packaging · doi:10.1117/12.3001329 · Cited by 1 · see citing works
Quantum computation with logical gates between hot systems
Riera-Sàbat, F., Sekatski, P., & Dür, W. (2024) · Physical Review Research · doi:10.1103/physrevresearch.6.033101 · Cited by 1 · see citing works
面向规模化量子计算的表面电极离子阱的设计、制备及性能评估（特邀）
Ting, 陈. C., Yi, 谢. X., Jie, 张. Z., Baoquan, 欧. O., Qingqing, 秦. Q., Xinfang, 张. Z., Hongyang, 王. W., Yi, 陶. T., Kaili, 熊. X., Gang, 樊. F., et al. (2025) · Acta Optica Sinica · doi:10.3788/aos251291 · Cited by 1 · see citing works
Ferry, D. K. (2024) · Synthesis lectures on engineering, science, and technology · doi:10.1007/978-3-031-62925-9_4
Kulkarni, A. A., Gayathri, S. S., Das, D. R., & Kaushik, B. K. (2024) · IEEE Transactions on Magnetics · doi:10.1109/tmag.2024.3471700
BOSS: Blocking algorithm for optimizing shuttling scheduling in Ion Trap
Wu, X., Zhu, C., Wang, J., & Wang, X. (2025) · IEEE International Symposium on High-Performance Computer Architecture (HPCA) · doi:10.1109/hpca61900.2025.00032
Quantum Algorithm Mapping Latency Estimation in Three-Dimensional Quantum Architectures
Chen, J., Yao, L., Li, C., Guo, B., & Tsang, K. F. (2025) · IEEE Transactions on Consumer Electronics · doi:10.1109/tce.2025.3610871
Method for 3D structure of measurement-free fault tolerant surface codePreprint
Min, G., & Heo, J. (2025) · Research Square · doi:10.21203/rs.3.rs-7596333/v1
MUSS-TI: Multi-level Shuttle Scheduling for Large-Scale Entanglement Module Linked Trapped-Ion
Wu, X., Zhu, C., Wang, J., & Wang, X. (2025) · IEEE/ACM International Symposium on Microarchitecture (MICRO) · doi:10.1145/3725843.3756129
A method of an on-demand beamsplitter for trapped-ion quantum computers
Nishi, T. (2026) · Journal of Physics B Atomic Molecular and Optical Physics · doi:10.1088/1361-6455/ae407d
Jangid, S. K., Singh, S. P., Haripriya, Acharjya, K., & Husain, S. (2026) · Lecture notes in electrical engineering · doi:10.1007/978-981-95-3389-3_13
Toward Scalable Gate-Level Parallelism on Trapped-Ion Processors with Racetrack Electrodes
Jang, E., Kim, D., Lee, Y., Kwon, J., Huang, Y., & Ro, W. W. (2026) · IEEE International Symposium on High-Performance Computer Architecture (HPCA) · doi:10.1109/hpca68181.2026.11408608
Forhad, M. S., Hassan, M. A. M., Fahim, M. F. H., & Sardar, T. H. (2026) · Elsevier eBooks · doi:10.1016/b978-0-443-33172-5.00008-x
Peaks, M. (2026) · Quantum Engineering · doi:10.1155/que2/8619391
Toolchain for shuttling trapped-ion qubits in segmented traps
Conta, A., Bogino, S., Köhncke, F., Schmidt‐Kaler, F., & Poschinger, U. (2026) · AVS Quantum Science · doi:10.1116/5.0323942 · Cited by 1 · see citing works
Ablation removal of transport-blocking defects in surface-electrode ion traps
Maddock, T., Rahimi, P., Aylett, M., Barcan, R., Weidt, S., & Hensinger, W. K. (2026) · Applied Physics Letters · doi:10.1063/5.0339347
Self-citationDisMap: Calibration-Aware Distributed Compilation for Multi-Chip Quantum Systems
Du, Z., Palma, M., Mo, Z., Wei, W., Chen, J., Buyya, R., & Mao, Y. (2026) · IEEE International Conference on Quantum Software (QSW) · doi:10.1109/qsw72780.2026.00013
Inang, T., Janmathong, K., Chudpooti, N., Tantraviwat, D., Oberhammer, J., Zhang, W., & Somjit, N. (2026) · IEEE Access · doi:10.1109/access.2026.3734374
- Authors
- Akhtar, M., Bonus, F., Lebrun-Gallagher, F. R., Johnson, N. I., Siegele-Brown, M., Hong, S., Hile, S. J., Kulmiya, S. A., Weidt, S., & Hensinger, W. K.
- Affiliations
- University of Sussex (GB)
- Quantinuum (United States) (US)
- Corresponding author
- Hensinger, W. K.
- ORCID
- Venue
- Nature Communications
- Published
- 2023-02-08
- Volume
- 14
- Issue
- 1
- Pages
- 531-531
- ISSN
- 2041-1723 (ISSN-L)
- PMC
- PMC9908934
- OpenAlex
- W4319597534
- Cited by
- 59
- References
- 52
- Citations by year
- 2026: 14 · 2025: 16 · 2024: 18 · 2023: 8 · 2022: 3
- FWCI
- 5.28
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Nature Communications (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- UCL Discovery (University College London) (submittedVersion, cc-by)
- Sussex Research Online (University of Sussex) (submittedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Figshare (submittedVersion, cc-by)
- arXiv (Cornell University) (cc-by)
- Funders
- U.S. Department of Defense (W911NF2110240, N629091912116)
- Research Councils UK (EP/SO21582/1, EP/SO23607/1)
- University College London
- European Commission (820314)
- University of Sussex (EP/T001062/1)
- University of Edinburgh
- University of Bristol
- École Polytechnique Fédérale de Lausanne
- Fonds National de la Recherche Luxembourg (11615035, Project Code 11615035)
- London Centre for Nanotechnology
- Engineering and Physical Sciences Research Council (EP/G007276/1, EP/S021582/1, M013243/1, EP/T001062/1, 2252590, EP/M013243/1, EP/E011136/1, T001062, EP/R02930X/1, EP/SO23607/1, EP/SO23607/)
- Office of Naval Research (N62909-19-1- 2116)
- Army Research Office (W911NF-21-1-0240, W911NF-21-1-, W911NF-14-2-0106, W911NF)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Keywords
- trapped-ion quantum computing, ion transport, quantum charge-coupled device, modular quantum computing, qubit fidelity, phase coherence, fault-tolerant quantum computing, scalability
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