News tagged with semiconductor lasers

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Building a more versatile laser

( -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. There have been ...

dateNov 16, 2009 in Optics & Photonics feature
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Seeing quantum mechanics with the naked eye

( -- A Cambridge team have built a semiconductor chip that converts electrons into a quantum state that emits light but is large enough to see by eye. Because their quantum superfluid is simply set up by shining ...

dateJan 09, 2012 in Quantum Physics
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Scientists build world's first anti-laser

More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel ...

dateFeb 17, 2011 in General Physics
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