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

A new quantum communication method uses the temporal Talbot effect to simplify high-dimensional quantum key distribution.

Korean researchers have successfully established a measurement protection (MP) theory that enables stable quantum key distribution (QKD) without the need for measurement correction of quantum states, ...

A quantum internet is only as useful as its reach, and in a first, researchers created more than a million qubit pairs across 100 kilometers of fiber.

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 ...

Physicists demonstrate indefinite causal order in quantum mechanics, challenging traditional cause-and-effect notions through ...

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.

For the first time, a team of physicists in Austria has carried out an experiment that appears to verify the principle of ...

For the first time, a quantum radiation reaction in strong electromagnetic fields has been demonstrated experimentally by ...

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 ...