MicroCloud Hologram Inc. has announced a groundbreaking proposal for a high-dimensional quantum key distribution (QKD) protocol that utilizes quantum Fourier transform and quantum-controlled NOT gate ...

Quantum key agreement protocols represent an advanced frontier in secure communications, leveraging the principles of quantum mechanics to allow multiple parties to jointly establish a shared secret ...

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 ...

Efficient generation and reliable distribution of quantum entangled states is crucial for emerging quantum applications, ...

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 ...

Quantum key distribution promises ultra-secure communication by using the strange rules of quantum physics to detect eavesdroppers instantly. But even the most secure quantum link can falter if the ...

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.

Quantum communication has long promised unbreakable encryption, but the hardware has struggled to escape the lab. A new generation of laser-written glass chips is changing that equation, carving three ...

A new technical paper titled “A Practical Implementation of Quantum-Derived Keys for Secure Vehicle-to-Infrastructure Communications” was published by University of Warwick. “We provide a practical ...

Quantum Cryptography with quantum dot based compact and high rate single photon nano-devices. Credit: Lars Luder Physicists have developed a breakthrough concept in quantum encryption that makes ...

Researchers at the University of Science and Technology of China (USTC) demonstrated a quantum repeater module that addresses a key scalability bottleneck in fiber-based quantum networks.