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

Recent years have witnessed significant progress in quantum communication and quantum
internet with the emerging quantum photonic chips, whose characteristics of scalability …

Quantum key distribution (QKD), has the potential to enable secure communication and
information transfer. In the laboratory, the feasibility of point-to-point QKD is evident from the …

Quantum key distribution (QKD) can provide fundamentally proven secure communication.
Towards application, the secret key rate (SKR) is a key figure of merit for any QKD system …

Integrated photonics will play a key role in quantum systems as they grow from few-qubit
prototypes to tens of thousands of qubits. The underlying optical quantum technologies can …

Twin-field quantum key distribution can overcome the secret key capacity of repeaterless
quantum key distribution via single-photon interference. However, to compensate for the …

The generation, manipulation, storage, and detection of single photons play a central role in
emerging photonic quantum information technology. Individual photons serve as flying …

Photonic integrated circuits hold great promise in enabling the practical wide-scale
deployment of quantum communications; however, despite impressive experiments of …

Quantum key distribution (QKD) networks are promising to serve large numbers of users
with information-theoretic secure communication. In QKD networks, the detection-safe …

Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …