Jürgen Eschner

Prof. Dr. Jürgen Eschner is a Professor of Experimental Physics at Saarland University, leading the Quantum Photonics group. His research focuses on quantum networking, trapped ions, and quantum repeater technology. He has spearheaded projects such as Quantenrepeater.Net and contributed to the development of quantum interfaces for telecom photon integration. Key achievements include the demonstration of quantum network protocols over 14-km fiber links and quantum repeater nodes using trapped ions.

• Roles: Director of the Quantum Photonics group, Deputy Head of the DPG Fachverband Quantenoptik und Photonik
• Affiliations: Member of the Saarland Interdisciplinary Center for Quantum Technologies, Collaborator with IBM and NIST

Research interests span quantum photonics, quantum communication, and trapped ion systems. His work emphasizes practical implementations of quantum repeaters and photonic interfaces. Notable collaborations include projects funded by BMBF (e.g., Q.Link.X, QuantenFabLab) and DFG (CoQuLiMa SFB).

Publications highlight advancements in quantum entanglement, photon-atom state transfer, and high-fidelity quantum networks. His group's contributions to quantum engineering include programmable interfaces and calibration-independent quantum channel analysis.