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When atoms are surfing on optical waves |
August 09, 2011
Researchers are working on a next-generation computer: They made cold atoms interact with miniature gold wires as small as a thousandth of a millimeter. Illuminating the wires with laser light in a special way, the physicists concentrated the light field at the surface of the wires and, by that, generated so-called surface plasmons. These are bound light fields which might enable the construction of devices for optical computing and for quantum information. Circuits based on these devices would be much faster and more efficient than present technologies.
Link: http://www.sciencedaily.com/releases/2011/08/110809083247.htm
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