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 ...

To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

Continuous-variable quantum key distribution (CV-QKD) utilises the continuous degrees of freedom of light—typically the amplitude and phase quadratures of coherent states—to establish ...

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 ...

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 ...

Marking a significant step toward a quantum-secure internet, researchers have demonstrated device-independent quantum key distribution over optical fibers spanning 100 kilometers (km). The findings ...

Concerns that quantum computers may start easily hacking into previously secure communications has motivated researchers to work on innovative new ways to encrypt information. One such method is ...

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 ...

A growing number of quantum engineers worldwide have been trying to realize large-scale quantum networks, which consist of ...

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.

Physicists have developed a spectral-filtering technique that strips away unwanted extra photons from quantum light sources, tackling one of the most persistent obstacles in quantum optics. The method ...