Mainz 2026 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 29: Poster – Quantum Technologies I
Q 29.11: Poster
Dienstag, 3. März 2026, 17:00–19:00, Philo 2. OG
Towards entanglement swapping between two WGMRs — •Sheng-Hsuan Huang1,2, Yen-Ju Chen1,2, Thomas Dirmeier1,2, Kaisa Laiho3, Dmitry Strekalov1, Gerd Leuchs1,2, and Christoph Marquardt2,1 — 1Chair of Optical Quantum Technologies, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstrasse 7/A3, 91058, Erlangen, Germany — 2Max Planck Institute for the Science of Light, Staudtstrasse 2, 91058 Erlangen, Germany — 3German Aerospace Center (DLR e.V.), Institute of Quantum Technologies, Wihelm-Runge-Str. 10, 89081, Ulm, Germany
Entanglement swapping is a key ingredient in building advanced quantum networks. To realize entanglement swapping, two sources capable of generating entanglement and producing indistinguishable quantum states are required. Optical whispering-gallery-mode resonators (WGMRs) have been shown to generate polarization entanglement and to produce indistinguishable photons [1,2]. Together, these features make WGMRs a promising platform for realizing entanglement swapping. In this poster, we will discuss our first results and the progress of entanglement swapping between two WGMRs.
[1] Huang SH., et.al., npj Quantum Information 10 (2024), 85
[2] Huang SH., et.al., APL Photonics 10 (2025), 056111
Keywords: quantum network; entanglement distribution; parametric downconversion