Combining a quantum cryptographic protocol with a highly efficient cold-atom-based quantum memory
Félix Garreau de Loubresse, Hadriel Mamann, Thomas Nieddu, Félix Hoffet, Mathieu Bozzio, Iordanis Kerenidis, Eleni Diamanti, Alban Urvoy, Julien Laurat · 2025
We report the first demonstration of a quantum cryptographic protocol incorporating a quantum memory layer. The protocol imposes strigent requirements on the memory storage-and-retrieval efficiency and on the error rate of the communication.