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Hamamatsu Corp. - Earth Innovations LB 2/24

Single Molecules Produce Single Photons

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Hank Hogan

Classically speaking, light is a wave. In quantum mechanics, however, it is both a wave and particles. Single photons, unlike the masses that pour out of a laser or most other light sources, exhibit discrete, or quantized, properties. So it's not surprising that a source of single photons would be useful in the emerging world of quantum computing and cryptography. The problem has been how to get one photon at a time. Existing methods require extremely low temperatures, around 2 K. Brahim Lounis of Bordeaux University and W.E. Moerner of Stanford University in California, however,...Read full article

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    Published: February 2001
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