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Q: Fachverband Quantenoptik und Photonik
Q 19: Quantum Technologies – Ion Traps
Q 19.2: Vortrag
Dienstag, 3. März 2026, 11:15–11:30, P 5
Trapped ion crystal setup for efficient recording of photon correlations — •Benjamin Zenz1, Roman Rosenfeld1, Corina Revora3, Christian T. Schmiegelow3, and Ferdinand Schmidt-Kaler1, 2 — 1QUANTUM, Institut für Physik, 55128 Mainz, Germany — 2Helmholtz-Institut Mainz, 55099 Mainz, Germany — 3Departamento de Física, Buenos Aires, Argentina
Trapped ions provide an exceptionally well-controlled quantum system with truly identical particles confined in deep potentials and manipulated with extraordinary precision. Each ion acts as a single-photon emitter allowing us to investigate collective light*matter interactions at the most fundamental level. In the past, we observed interference in both first- and second-order photon correlation functions, revealing spin-textures [1], spatially dependent bunched and antibunched photon statistics [2], superradiance and subradiance as well as measurement induced entanglement [3].
In this talk, I present our new experimental platform which combines, a multisegmented trap for the versatile control of the emitter positions. Furthermore, the setup features high-numerical-aperture detection from opposite directions, enabling efficient exploration of spatiotemporal photon correlations emitted from ion crystals of 50 and more ions. I report the system characterization along recent data and sketch future experiments.
[1] Verde, et al. Phys. Rev. A; 112, 043719 (2025)
[2] Wolf, et al. Phys. Rev. Lett.; 124, 063603 (2020)
[3] Richter, et al. Phys. Rev. Research; 5, 013163 (2023)
Keywords: Segmented Paul Trap; Photon Correlations; Ion Crystals