Science Daily — Researchers at the University of Rochester have made an optics breakthrough that allows them to encode an entire image's worth of data into a photon, slow the image down for storage, and then retrieve the image intact.
http://www.sciencedaily.com/releases/2007/01/070119094254.htm
While the initial test image consists of only a few hundred pixels, a tremendous amount of information can be stored with the new technique.
The image, a "UR" for the University of Rochester, was made using a single pulse of light and the team can fit as many as a hundred of these pulses at once into a tiny, four-inch cell. Squeezing that much information into so small a space and retrieving it intact opens the door to optical buffering--storing information as light.
First image stored and retrieved from a single photon. (Credit: University of Rochester)
http://www.sciencedaily.com/releases/2007/01/070119094254.htm
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