Author(s): Markus Teller, Susana Plascencia, Samuele Grandi, and Hugues de Riedmatten An array of ten independently controlled quantum memory cells stores photonic qubits in a rare-earth crystal, advancing the development of scalable, RAM-like storage for photonic quantum computing. [Phys. Rev. X 15, 031053] Published Mon Aug 25, 2025