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Q: Fachverband Quantenoptik und Photonik

Q 66: Poster – Quantum Technologies III

Q 66.15: Poster

Donnerstag, 5. März 2026, 17:00–19:00, Philo 2. OG

Manufacturing of Highly Integrated Ions Traps for Quantum Computing — •Marlon Kuhn¹, Jacob Stupp¹, Nora D. Stahr¹, Masum Billah¹, Nica Schiffelholz¹, Christine Marachoris¹, Friederike Giebel^1,2, Eike Iseke^1,2, Nila Krishnakumar^1,2, Konstantin Thronberens², and Christian Ospelkaus^1,2 — ¹Institute for Quantum Optics, Leibniz University Hannover, Welfengarten 1, Hannover, 30167, Germany — ²Physikalisch-Technische Bundesanstalt, Bundasallee 100, Braunschweig, 38116, Germany

Trapped ions are one of the most promising platforms for the implementation of quantum computing and quantum simulations. For demanding computation, a scalable device, capable of trapping, manipulating, moving and cooling trapped ions is needed. Microfabricated surface electrode traps (Paul traps) are ideally suited for these applications. We present an overview on our manufacturing methods and how to overcome upcoming problems that come with scaling these devices to higher densities to accommodate more ions. We also present strategies for integration of further functionalities like permanent magnets, microwave electrodes or integrated photonics, to enhance the scalability of trapped ion systems.

Keywords: ion trap; microfabrication; photonic integration; quantum computing