News tagged with quantum information

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 ...

dateMar 22, 2012 in Quantum Physics
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Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

dateMar 06, 2012 in Quantum Physics
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Argon cleaning helps trapped ions chill out

(PhysOrg.com) -- The reliability of trapped-ion quantum information systems – a promising candidate technology for an eventual quantum computer – can be dramatically improved by giving the trap electrodes ...

dateFeb 28, 2012 in General Physics
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A new spin in diamonds for quantum technologies

(PhysOrg.com) -- To explore the future potential of diamonds in quantum devices, researchers from Macquarie University have collaborated with the University of Stuttgart and University of Ulm in Germany towards ...

dateDec 20, 2011 in Nanophysics
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