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From: YKhan on 28 May 2010 09:45
High five! Physicists create record 'fat' photon - physics-math - 14
May 2010 - New Scientist
"A fat photon's wavelength becomes shorter than normal, and the amount
of shortening depends on the number of entangled photons it comprises,
Silberberg explains. So by recording fat photons with a wavelength
five times shorter than expected, the team demonstrated that they had
succeeded in creating a five-photon NOON state.

The fat photons produced this way are of more than just academic
curiosity, says Christoph Wildfeuer at the Louisiana State University
in Baton Rouge. Because the infrared photons behave as if they have a
much shorter ultraviolet wavelength, they could be used in remote
sensing to image objects with the greater resolution ultraviolet light
affords, but in situations where such light is scattered or absorbed.
If penetrating the atmosphere with ultraviolet photons is not
possible, says Wildfeuer, entangling infrared photons could do the job
instead, with the higher resolution of the ultraviolet photons."
http://www.newscientist.com/article/dn18911-high-five-physicists-create-record-fat-photon.html?DCMP=OTC-rss&nsref=online-news
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