Long-Distance Distribution of Atom-Photon Entanglement Based on a Cavity-Free Cold Atomic Ensemble

Author(s): Tian-Yu Wang, Ren-Hui Chen, Yan Li, Ze-Hao Shen, Xiao-Song Fan, Zheng-Bang Ju, Tian-Ci Tang, Xia-Wei Li, Jing-Yuan Peng, Zhi-Yuan Zhou, Wei Zhang, Guang-Can Guo, and Bao-Sen Shi Constructing a quantum memory node with the ability of long-distance atom-photon distribution is the essential task for future quantum networks, enabling distributed quantum computing, quantum cryptography, and remote sensing. Here we report the demonstration of a quantum-network node with a simple … [Phys. Rev. Lett. 136, 050801] Published Fri Feb 06, 2026