Author(s): Jonathan Hänni, Alberto E. Rodríguez-Moldes, Félicien Appas, Soeren Wengerowsky, Dario Lago-Rivera, Markus Teller, Samuele Grandi, and Hugues de Riedmatten Heralded entanglement between two solid-state quantum memories with on-demand retrieval and temporal multimodality demonstrates a crucial building block for scalable quantum repeaters and long-distance quantum networks. [Phys. Rev. X 15, 041003] Published Fri Oct 03, 2025