Mainz 2026 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 41: Poster – Quantum Technologies II & Laser Technology
Q 41.1: Poster
Mittwoch, 4. März 2026, 17:00–19:00, Philo 2. OG
Implementation of ground separation boards for DC and RF supply devices in trapped-ion experiments — •Jannik Mattil1, Shobhit Saheb Dey1, André Philipp Kulosa1, Jonas Keller1, Martin Ludwig Hesse1,2, Ranjit Kumar Singh1,2, Nicolas Spethmann1, and Tanja Mehlstäubler1,2 — 1Physikalisch-Technische Bundesanstalt (PTB), 38116 Braunschweig, Germany — 2Leibniz-Universität Hannover, 30167 Hannover, Welfengarten 1, Germany
Ion traps have matured into commercially available quantum technology products, used in high-precision applications such as optical clocks [1]. These applications demand highly sensitive spectroscopic measurements, making the suppression of perturbations essential. The trap control electronics can couple electro-magnetic noise into the trap electrodes. This electromagnetic field noise originating from inadequate grounding of electronic devices ---ground loops--- leads to increased motional heating and instability in precision measurements. We report about plug-and-play ground isolation boards designed to separate the DC and RF ground connections explicitly for usage of the Sinara hardware [2]. Three different isolation boards (capacitive, inductive, opto-coupled) have been designed and characterized to identify the best performance in noise suppression via heating rate measurements with trapped ions. [1] Jordan E., Brinkmann M., Didier A., Jansson E., Steinel M., Huntemann N., Shao H., Siebeneich H., Wunderlich C., Johanning M. und Mehlstäubler T. E., Quantum Sci. Technol. 10, 045005 (2025). [2] https://github.com/sinara-hw
Keywords: Ion Traps; Quantum Technologies; Quantum Sensing; Quantum Metrology