[Tu-P1-F] Emerging Solid-State Quantum Emitters and Photonic Devices

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[Tu-P1-F-02] High-Quality Single Photons from Cavity-Enhanced Biexciton-to-Exciton Transition

〇Nils Heinisch^1,2, Francesco Salusti^1,2, Mark R. Hogg³, Timon L. Baltisberger³, Malwina A. Marczak³, Sascha R. Valentin⁴, Arne Ludwig⁴, Klaus D. Jöns^1,2, Richard J. Warburton³, Stefan Schumacher^1,2,5 (1. Department of Physics and Center for Optoelectronics and Photonics (CeOPP), Paderborn Univ. (Germany), 2. Inst. for Photonic Quantum Systems (PhoQS), Paderborn Univ. (Germany), 3. Department of Physics, Univ. of Basel (Switzerland), 4. Faculty of Physics and Astronomy, Experimental Physics VI, Ruhr Univ. Bochum (Germany), 5. Wyant College of Optical Sciences, Univ. of Arizona (USA))

We demonstrate theoretically [1] and experimentally [2] the generation of laser-separable, high-quality single-photons from cavity-enhanced biexciton emission in a semiconductor quantum dot, with high HOM visibility and purity. [1] arXiv:2602.18153 (2026). [2] arXiv:2512.16617 (2025).