News tagged with quantum information

Quantum cryptography for mobile phones

Secure mobile communications underpin our society and through mobile phones, tablets and laptops we have become online consumers. The security of mobile transactions is obscure to most people but is absolutely essential if ...

Apr 03, 2014 4 / 5 (7) 0

Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

Mar 22, 2012 4.2 / 5 (13) 22 | with audio podcast

Single atom stores quantum information

(PhysOrg.com) -- A data memory can hardly be any smaller: researchers working with Gerhard Rempe at the Max Planck Institute of Quantum Optics in Garching have stored quantum information in a single atom. ...

May 02, 2011 5 / 5 (12) 4 | with audio podcast