News tagged with photonics

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3-D images, with only one photon per pixel

Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light and measuring the time it takes for ...

Nov 29, 2013
5 / 5 (11) 0 | with audio podcast

Seeing a photon without absorbing it

Light is of fundamental importance. It allows us to see the world around us and record pictures of our environment. It enables communication over long distances through optical fibers. All current methods ...

Nov 14, 2013
4.8 / 5 (34) 4 | with audio podcast

On-chip quantum buffer realized

Nippon Telegraph and Telephone Corp. has realized a quantum buffer integrated on an optical waveguide. The buffer is based on the "slow light effect", where the propagation speed of a pulsed light in a special ...

Nov 13, 2013
5 / 5 (6) 1