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 ...

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 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, ...

Concerns that quantum computers may start easily hacking into previously secure communications has motivated researchers to ...

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

Researchers have demonstrated device-independent quantum key distribution (DI-QKD) over 62 miles (100 kilometers) of ...

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 ...

Physicist Pan Jianwei and his team said their study helped to close the gap between the experimental and real-world applications ...

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 ...

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 ...

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