News tagged with electronic states

Tunable quantum cascade laser

(PhysOrg.com) -- One of the issues associated with lasers is their tunability. In many cases, if you want to produce a particular wavelength, you have to build a laser to accomplish this. In order to get another wavelength, ...

Jul 07, 2010 feature
4.6 / 5 (20) 1 | with audio podcast

Exploring the magnetism of a single atom

Magnetic devices like hard drives, magnetic random access memories (MRAMs), molecular magnets, and quantum computers depend on the manipulation of magnetic properties. In an atom, magnetism arises from the ...

May 08, 2014
4.6 / 5 (25) 7

Could diamonds be a computer's best friend?

For the first time, physicists have demonstrated that information can flow through a diamond wire. In the experiment, electrons did not flow through diamond as they do in traditional electronics; rather, they ...

Mar 23, 2014
4.7 / 5 (27) 2