News tagged with quantum coherence

Powering lasers through heat

In micro electronics heat often causes problems and engineers have to put a lot of technical effort into cooling, for example micro chips, to dissipate heat that is generated during operation. Austrian physicists ...

Nov 13, 2012 5 / 5 (6) 2 | with audio podcast

Qubits in the quantum sea

(Phys.org)—"Quantum weirdness," a phrase related to the power and the un-intuitive nature of quantum reality, is expected to facilitate speeded-up computation—quantum computing—for performing certain ...

Sep 10, 2012 4.5 / 5 (6) 0 | with audio podcast

A quantum leap in computing

When American physicist Richard Feynman in 1982 proposed creating a quantum computer that could solve complex problems, the idea was merely a theory scientists believed was far off in the future.

Jan 04, 2012 4.5 / 5 (11) 5 | with audio podcast

Scientists view a quantum jump in real time

(PhysOrg.com) -- For more than two decades, scientists have been "watching" electrons in atoms make the jump between energy levels in real time. "Atoms have energy levels, and when electrons 'jump' from one level to another, ...

Apr 11, 2011 4.5 / 5 (29) 3 | with audio podcast feature