Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Quantum networks play an extremely important role in quantum information science, with
application to quantum communication, computation, metrology, and fundamental tests. One …

Conference key agreement (CKA), or multipartite key distribution, is a cryptographic task
where more than two parties wish to establish a common secret key. A composition of …

Quantum conference key agreement (QCKA) allows multiple users to establish a secure key
from a shared multi-partite entangled state. In a quantum network, this protocol can be …

These are exciting times for quantum physics as new quantum technologies are expected to
soon transform computing at an unprecedented level. Simultaneously network science is …

We consider the distribution of secret keys, both in a bipartite and a multipartite (conference)
setting, via a quantum network and establish a framework to obtain bounds on the …

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

The intense research activity on Twin-Field (TF) quantum key distribution (QKD) is motivated
by the fact that two users can establish a secret key by relying on single-photon interference …

Multiparty quantum communication ensures information-theoretic security for transmitting
private information among multiuser networks. In principle, measurement-device …

We provide a rigorous security proof of continuous-variable measurement-device-
independent quantum key distribution which incorporates finite-size effects and composable …