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Wrighting on Photon!
Written by Daniel   
Tuesday, 23 January 2007 08:49
Storing Data in a Photon
Marcus Yam (Blog) - January 22, 2007 1:46 AM

First image stored and retrieved from a single photon
New technique stores and retrieves entire image from a single photon

Researchers at the University of Rochester are detailing a breakthrough in optics 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. This development could allow the storage of massive amounts of information in very small spaces.

The article titled “All-Optical Delay of Images using Slow Light,” submitted November 2006, was published today. The abstract reads:

Two-dimensional images carried by optical pulses (2 ns) are delayed by up to 10 ns in a 10 cm cesium vapor cell. By interfering the delayed images with a local oscillator, the transverse phase and amplitude profiles of the images are shown to be preserved. It is further shown that delayed images can be well preserved even at very low light levels, where each pulse contains on average less than one photo...MORE

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