quantum chip built

Steven M. Bellovin smb at cs.columbia.edu
Wed Jan 11 11:38:52 EST 2006



So, on a semiconductor chip roughly the size of a postage stamp, the 
Michigan scientists designed and built a device known as an ion trap, 
which allowed them to isolate individual charged atoms and manipulate 
their quantum states.


The new chip, which is made of gallium arsenide, should be easily 
scaled and mass-produced, because it's made using microlithography -- 
the same process that makes microchips.


		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb

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