BEIJING, Feb. 12 (Xinhua) -- Chinese researchers have developed the world's first large-scale quantum key distribution (QKD) network based on integrated photonic quantum chips, according to a study ...

Quantum key distribution (QKD) exploits the intrinsic properties of quantum mechanics to enable the secure exchange of cryptographic keys between distant parties. By utilising quantum states of light, ...

To push beyond this boundary, the team developed a quantum repeater system capable of creating memory–memory entanglement between two separate nodes. By linking these nodes through entanglement ...

Quantum secure communication uses quantum mechanisms to secure classical (non-quantum) communication and is fundamental to national information security and socioeconomic development. One of the ...

Beijing University. Chinese scientists have built the world's first large-scale quantum key distribution (QKD) network based on integrated ...

Concerns that quantum computers may start easily hacking into previously secure communications has motivated researchers to work on innovative new ways to encrypt information. One such method is ...

Continuous-variable quantum cryptography has emerged as a significant branch of quantum cryptography, with continuous-variable quantum key distribution (CVQKD) at its core. However, compared to ...

In the race to secure digital infrastructure against the looming threat of quantum computing, space has emerged as an indispensable theater. Satellites, once primarily vehicles for reconnaissance and ...

Researchers have brought together two Nobel prize-winning research concepts to advance the field of quantum communication. Scientists can now efficiently produce nearly perfect entangled photon pairs ...

Proof-of-Concept Passes Quantum Keys from End-to-End Over Photonic Network Spanning Heart of Chicago to NW Indiana Quantum Corridor, in collaboration with Toshiba International Corporation and ...

Scientists at Peking University in China have cracked how to build long-distance quantum communication ...