Princeton University Team Develops Miniscule Laser

January 18, 2015 4:55 AM

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Researchers at Princeton University have recently developed a laser-type device the size of a grain of rice. Technically, this is not a laser as it uses microwaves instead of a light beam, which is why the researchers call it a “maser”.

“It is basically as small as you can go with these single-electron devices,” explains lead researcher Dr. Jason Petta. He goes on to explain that this technology, at its most basic understanding, are simply “quantum dots”, just petite particles with the capability of converting one absorbed waveleng...

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