Physicists have developed a spectral-filtering technique that strips away unwanted extra photons from quantum light sources, ...

Charles H. Bennett and Gilles Brassard have spent more than four decades proving that the strange behavior of quantum ...

The ability to send quantum information securely, known as quantum key distribution, is one of the most practical (if difficult) applications of quantum science. A new study demonstrates the ...

But the experiments were set up in ways that meant we could only use them to determine that this superposition occurred in ...

Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more ...

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, ...

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 ...

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

Korean researchers have successfully established the world’s first “Measurement Protection (MP)” theory that enables stable Quantum Key Distribution (QKD) without need for measurement correction of ...

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 ...