The German consortium QuINSiDa has achieved a major step toward mobile quantum-secure communication. They demonstrated a ...

But a newer category is beginning to mature from theoretical research into deployable infrastructure.​ Unlike QKD, which ...

A new method to distribute cryptographic keys using terahertz waves could help enable secure communication in the ...

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 ...

Scientists have taken a major step toward ultra-secure quantum communication by demonstrating a remarkably stable quantum encryption system that worked across more than 120 kilometers of optical fiber ...

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.

The experimental layout of the sender Alice and the receiver Bob. Alice’s setup contains the excitation and collection setup of the single photon source, and a Sagnac-like polarization modulator for ...

Quantum communication could enable uncrackable transfer of information, but most approaches rely on trusted devices. Researchers have now demonstrated that a new method that does away with this ...

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 ...

A team of physicists has shown that quantum-encrypted keys can travel 75 miles through the same fiber-optic cable already ...