News tagged with light pulses

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City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

Nov 03, 2011
4.6 / 5 (29) 54 | with audio podcast

Physicists freeze motion of light for a minute

Physicists in Darmstadt have been able to stop something that has the greatest possible speed and that never really stops. We're talking about light. Already a decade ago, physicists stopped it very for a short moment. In ...

Aug 06, 2013
4.8 / 5 (28) 7 | with audio podcast

First, fast, and faster

(Phys.org) -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks ...

Apr 06, 2012
4.7 / 5 (26) 33 | with audio podcast

Ten times more throughput on optic fibers

Optical fibers carry data in the form of pulses of light over distances of thousands of miles at amazing speeds. They are one of the glories of modern telecommunications technology. However, their capacity ...

Dec 04, 2013
4.8 / 5 (25) 3 | with audio podcast

Light bursts out of a flying mirror

(Phys.org) —An international team of researchers succeeds in generating flashes of extreme ultraviolet radiation via the reflection from a mirror that moves close to the speed of light.

Apr 24, 2013
5 / 5 (21) 4 | with audio podcast