Researchers observe photons interacting ‘like a pendulum’

November 4, 2014 5:40 AM

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Researchers observe photons interacting ‘like a pendulum’

Photons normally do not interact with each other at all, but researchers have coaxed an interaction between two photons and thereby advanced a major step toward photon-based scalable quantum logics.

Light is used to illuminate our world and to send information, but light does not typically interrupt or interact with itself. The smallest unit of light transmission, the photon, carries electromagnetic energy in light as a particle that behaves like a wave. Although the coupling of photons has bee...

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