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Q: Fachverband Quantenoptik und Photonik

Q 19: Quantum Technologies – Ion Traps

Q 19.8: Talk

Tuesday, March 3, 2026, 12:45–13:00, P 5

Parallelising electronic qubit control for trapped-ion quantum computing — •Dougal Main, Jacopo Mosca Toba, Hannah Knaack, Susanna Todaro, Amy Hughes, Lukas Spiess, Justin Niedermayer, Clemens Matthiesen, Steven King, and Oxford Ionics team — Oxford Ionics, Oxford, United Kingdom

We present our vision for large-scale, parallel control of trapped-ion qubits using chip-integrated electric and magnetic fields. Our architecture enables efficient parallelisation of gate operations and shuttling of ions on a surface-electrode trap chip with junctions, implementing a quantum charge-coupled device that is scalable and high-fidelity at the same time. We outline how single- and two-qubit gates can be performed in parallel, and show data from demonstrator devices.

Keywords: trapped ions; quantum computing; scaling; gate fidelities; quantum computer architecture