Putting the Squeeze on Photons

“In the U of T experiment, the physicists combined three separate photons of light together inside an optical fibre, to create a triphoton. “A strange feature of quantum physics is that when several identical photons are combined, as they are in optical fibres such as those used to carry the Internet to our homes, they undergo an ‘identity crisis’ and one can no longer tell what an individual photon is doing,” Steinberg said.

The authors then squeezed the triphotonic state to glean the quantum information that was encoded in the triphoton´s polarization…”

Physicists are first to ’squeeze’ light to quantum limit – Physorg.com

~ by theobservereffect on January 2, 2009.