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Q: Fachverband Quantenoptik und Photonik

Q 4: Quantum Computing and Simulation I

Q 4.3: Vortrag

Montag, 2. März 2026, 12:15–12:30, P 10

Scaling-up a trapped-ion quantum computer using MAGIC — •Saptarshi Biswas¹, Ivan Boldin¹, Benjamin Bürger¹, Friederike J. Giebel^3,4, Radhika Goyal², Patrick H. Huber¹, Eike Iseke^3,4, Lukas Kilzer², Nila Krishnakumar^3,4, Rodolfo M. Rodriguez¹, Tobias Pootz², Kais Rejaibi¹, David Stuhrmann², Nora D. Stahr^2,4, Jacob Stupp^2,4, Konstantin Thronberens^3,4, Celeste Torkzaban², Pedram Yaghoubi¹, Christian Ospelkaus^2,3,4, and Christof Wunderlich¹ — ¹Department of Physics, School of Science and Technology, University of Siegen, 57068 Siegen, Germany — ²Gottfried Wilhelm Leibniz Universität, Hannover, Germany — ³Physikalisch-Technische Bundesanstalt, Braunschweig, Germany — ⁴Laboratory of Nano and Quantum-Engineering, Hannover, Germany

We present the status of a cryogenic (4K) experimental set-up for quantum computing with radio frequency (RF)-controlled trapped ions. It incorporates a novel micro-structured planar Paul trap with integrated micromagnets, and we report on the characterization of such a trap. Also, progress in developing laser cooling techniques for mixed Yb⁺-Ba⁺ crystals is reported.

Keywords: Quantum computing; Trapped ions; RF-Control; Paul trap; Cryogenics