Quantum key distribution(QKD)guarantees informationtheoretic security through the fundamental principles of quantum mechanics.As its matures,QKD networks have achieved long-distance deployment,showing significant adva...Quantum key distribution(QKD)guarantees informationtheoretic security through the fundamental principles of quantum mechanics.As its matures,QKD networks have achieved long-distance deployment,showing significant advancements in practical quantum-security communication infrastructure[1].When transitioning to large scale quantum communication networks with complicated topologies,conventional paradigms,which are based on point-to-point QKD links connected by trusted nodes,face technical challenges on achieving scalability and optimizing resource allocation.Quantum entanglements are important resources for quantum networks.展开更多
文摘Quantum key distribution(QKD)guarantees informationtheoretic security through the fundamental principles of quantum mechanics.As its matures,QKD networks have achieved long-distance deployment,showing significant advancements in practical quantum-security communication infrastructure[1].When transitioning to large scale quantum communication networks with complicated topologies,conventional paradigms,which are based on point-to-point QKD links connected by trusted nodes,face technical challenges on achieving scalability and optimizing resource allocation.Quantum entanglements are important resources for quantum networks.