What are forces ?

This question stems from discussions at work about the notion of “data gravity”, which, 10 years after its inception, seems to make a comeback and draw some kind of vague …

Evaluation des technologies quantiques

Voici le rapport technique d’évaluation des technologies d’informatique quantique élaboré par l’équipe du Digital Labs d’Econocom.  Notre objectif  est d’évaluer expérimentalement les technologies quantiques actuelles, avec pour application la résolution …

On superdense coding

Alice and Bob are fictional characters often used to describe cryptographic protocols. We introduced them in a previous article on quantum cryptography. Picture a situation where Alice and Bob are …

On cloud-based quantum computing

Cloud-based quantum computing is the invocation of quantum emulators, simulators or processors through the cloud. Increasingly, cloud services are being looked on as the method for providing access to quantum …

On photonic quantum computing

The worldwide quest to build practical quantum computers is undergoing a critical period. Fault-tolerant quantum computers will soon provide significant computational speedups for problems like factoring, search, or linear algebra, …