A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

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 …

Concerted efforts are underway to establish an infrastructure for a global quantum Internet to
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …

In quantum mechanics, a fundamental law prevents quantum communications to
simultaneously achieve high rates and long distances. This limitation is well known for point …

Remote quantum entanglement can enable numerous applications including distributed
quantum computation, secure communication, and precision sensing. We consider how a …

The twin-field (TF) quantum key distribution (QKD) protocol and its variants are highly
attractive because they can beat the well-known fundamental limit of the secret key rate for …

Twin-field (TF) quantum key distribution (QKD) was conjectured to beat the private capacity
of a point-to-point QKD link by using single-photon interference in a central measuring …

Recently, the popularity of using the expressive power of quantum computing to solve
known, challenging problems has increased remarkably. This study aims to develop a clear …

Quantum networks will enable the implementation of communication tasks with qualitative
advantages with respect to the communication networks known today. While it is expected …