A central problem in cryptography is the distribution among distant users of secret keys that can be used, for example, for the secure encryption of messages. This task is impossible in classical ...

Quantum key distribution Researchers at Heriot-Watt University in Edinburgh, UK generated a secure key containing over a million bits and used it to securely share an image between four users in the ...

A point-to-point long-distance quantum key distribution (QKD) over a distance of 1,002 km has been achieved by scientists from the University of Science and Technology of China (USTC) of the Chinese ...

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 ...

Recently Quantum Key Distribution, QKD technology by Defence Research and Development Organisation, DRDO had undergone trials between two laboratories in Hyderabad. Here the quantum technology-based ...