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 ...

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

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 ...

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 ...

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 ...

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

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 ...

As with many information security professionals, I am a proponent of the so-called “defense in depth” approach to security—using multifaceted technologies and approaches to layer defenses and minimize ...

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.