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Q: Fachverband Quantenoptik und Photonik
Q 56: Quantum Optics and Control I
Q 56.1: Hauptvortrag
Donnerstag, 5. März 2026, 14:30–15:00, P 3
Quantum logic control of transition metal and molecular ions — Till Rehmert1,2, Maximilian J. Zawierucha1,2, Kai Dietze1,2, Piet O. Schmidt1,2, Sergey G. Porsev3, Dmytro Filin3, Charles Cheung3, Marianna S Safronova3, and •Fabian Wolf1 — 1Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig — 2Institut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover — 3Department of Physics and Astronomy, University of Delaware, Delaware 19716, USA
Extending quantum control to increasingly complex systems, such as molecular ions, is essential for advancing quantum technologies and probing fundamental physics.
Quantum logic spectroscopy offers a promising route to controlling molecular ions: a well-controlled atomic ion is co-trapped with a molecular ion and enables manipulation and readout of its quantum state via shared motional modes. As we move toward quantum logic spectroscopy of single molecular MgH+ ions, we are also exploring the applicability of these techniques to other species. Recently, we demonstrated quantum logic control of a single titanium ion, showing that these methods extend to previously inaccessible atomic systems.
By expanding quantum control to new classes of ions, our work enables new opportunities in precision spectroscopy, quantum technology, and fundamental physics.
Keywords: Trapped Ions; Quantum Logic Spectroscopy; Molecular Ions