Princeton University Researchers Developed Rice Grain Sized Maser

January 18, 2015 6:46 AM

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Scientists have come up with a laser like device, as small as a grain of rice, which has been termed as “maser.” Developed by the researchers of Princeton University, the device uses microwaves instead of a light beam. Lead researcher Dr. Jason Petta said “It is basically as small as you can go with these single-electron devices.” He further elaborated that this technology includes “quantum dots” which are petite particles having the capability of converting one absorbed wavelength into a completely different wavelength. The researchers also mentioned that about one-billionth of the power required to run a hair dryer is utilized by the device.

Pairs of artificial molecules, composed of semiconducting material, have been linked by the researchers which are called as double quantum dots. Princeton University electrical engineer Caire Gmachl explained “The double quantum dot allows them complete manage more than the motion of even a single e...

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