News tagged with quantum noise

Bringing the chaos in light sources under control

Noise is an issue in optical telecommunications. And findings means of controlling noise is key to physicists investigating light-emitting diodes or lasers. Now, an Italo-Iraqi team has worked on a particular type of light ...

dateNov 18, 2015 in Nanophysics
shares33 comments 0

Seeing quantum motion

Consider the pendulum of a grandfather clock. If you forget to wind it, you will eventually find the pendulum at rest, unmoving. However, this simple observation is only valid at the level of classical physics—the laws ...

dateAug 28, 2015 in Quantum Physics
shares1839 comments 3

Light particles illuminate the vacuum

Researchers from the Finnish Aalto University and the Technical Research Centre of Finland succeeded in showing experimentally that vacuum has properties not previously observed. According to the laws of quantum mechanics, ...

dateFeb 26, 2013 in General Physics
shares1 comments 415

Qubits in the quantum sea

(—"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 specialized tasks, ...

dateSep 10, 2012 in Quantum Physics
shares0 comments 0

Quantum computer leap

( -- The main technical difficulty in building a quantum computer could soon be the thing that makes it possible to build one, according to new research from The Australian National University.

dateMay 18, 2012 in Quantum Physics
shares0 comments 29