Quantum secure direct communication (QSDC) can directly transmit secrete messages
through a quantum channel. Device-independent (DI) QSDC can guarantee the …

Quantum secure direct communication (QSDC) can directly transmit secure messages
through quantum channel without sharing keys. Three-party (3P) QSDC enables two …

Quantum networks will provide multinode entanglement enabling secure communication on
a global scale. Traditional quantum communication protocols consume pair-wise …

Quantum conference key agreement is an important cryptographic primitive for future
quantum network. Realizing this primitive requires high-brightness and robust multiphoton …

A crucial goal for quantum key distribution (QKD) is to transmit unconditionally secure keys
over long distances. Previous studies show that the key rate of point‐to‐point QKD is limited …

Quantum secret sharing (QSS) and conference key agreement (CKA) provide efficient
encryption approaches for realizing multi-party secure communication, which are essential …

As an essential ingredient of quantum networks, quantum conference key agreement
(QCKA) provides unconditional secret keys among multiple parties, which enables only …

Coherent-one-way (COW) quantum key distribution (QKD) is a significant communication
protocol that has been implemented experimentally and deployed in practical products due …

Quantum conference key agreement (CKA) enables key sharing among multiple trusted
users with information-theoretic security. Currently, the key rates of most quantum CKA …

Implementation of a twin-field quantum key distribution network faces limitations, including
the low tolerance of interference errors for phase-matching-type protocols and the strict …