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 ...

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

Marking a significant step toward a quantum-secure internet, researchers have demonstrated device-independent quantum key distribution over optical ...

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

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

Marking a significant step toward a quantum-secure internet, researchers have demonstrated device-independent quantum key distribution over optical fibers spanning 100 kilometers (km). The findings ...

Chinese researchers have developed the world's first large-scale quantum key distribution (QKD) network based on integrated ...

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, ...

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 ...

Andrew Jenkins has worked as an information analyst for an intelligence agency in Washington, D.C., for over 14 years. He is the author of the 2022 book, The Devil Made Crypto. Follow him on LinkedIn.