From: "Geo." 

Now that's really cool!

Geo.

"Adam" 
wrote in message news:45b8cdfe$1{at}w3.nls.net...
> http://www.theregister.co.uk/2007/01/25/single_photon_storage/
>
> Seeing is believing ....
>
> An entire image's worth of data has been encoded into a single photon,
> without information being lost, for the first time.
>
> The image "UR", for New York's University of Rochester,
where the work was
> carried out, was also decoded (pictured above) after being stored
> briefly."
>
> "The image was created simply by shining a single photon through a minute
> stencil. At that scale, quantum mechanics dictates that a single photon
> passes through all the holes in the stencil simultaneously, picking up the
> shadow - or the information - from each one.
>
> The photon then passed into a four inch "cell" of caesium
gas at 100øC,
> where it was slowed. The new approach to slowing light used by the
> researchers means that thousands of information-bearing photons could be
> stored in a single cell without data being lost.
>
> Alan Willner, professor of electrical engineering at the University of
> Southern California and president of the IEEE Lasers and Optical Society
> said: "The parallel amount of information John has sent all at once in an
> image is enormous in comparison to what anyone else has done before. To do
> that and be able to maintain the integrity of the signal - it's a
> wonderful achievement.""
>
> Now put that together with the 2split a photon & a change to 1 part of the
> photon is reflected in another & you have a communications medium.....
>
> I did laugh when I saw it spelt "UR" coz that's 1/2 of an
SMS message e.g.
> UR L8 
>
> Adam

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