News tagged with light amplification

Powering lasers through heat

In micro electronics heat often causes problems and engineers have to put a lot of technical effort into cooling, for example micro chips, to dissipate heat that is generated during operation. Austrian physicists have now ...

dateNov 13, 2012 in General Physics
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From a classical laser to a 'quantum laser'

Rainer Blatt's and Piet Schmidt's research team from the University of Innsbruck have successfully realized a single-atom laser, which shows the properties of a classical laser as well as quantum mechanical properties of ...

dateMar 31, 2010 in Quantum Physics
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'Squeezing' light into quantum dots

( -- “Quantum wells have been instrumental in telecommunications, enabling light amplification,” Patanjali Kambhampati tells, “but theory has suggested that a very small - colloidal - quantum ...

dateApr 01, 2009 in Quantum Physics feature
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Tiny lasers get a notch up

Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...

dateJan 22, 2009 in General Physics
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