Posted by ketyung
on Oct/17/2007
at 8:51 am
A team led by University of Buffalo engineers has developed a novel device that can detect and manipulate the single spin of electron, overcoming some major obstacles that have prevented progress toward spintronics and spin-based quantum computing.
To some of you, quantum computing could be kind of abstract. But what is the implication of this achievement? This simply implies it’s closer to reality electronic devices based on the use of single spins that promise low-power but high-performance computing.
According to the UB group, there are also several other groups have recently reported the successful trapping of a single spin. But their ways of doing it are by the use of quantum dots under extremely cold temperature, below 1 degree Kelvin that would cause devices to be more sensitive to interference. For the UB group, they managed to trap and detect the spin at temperatures of about 20 degrees Kelvin, which is the condition that seems more promising for for the development of a viable technology. Now, they have successfully mastered the way for detecting single spin of electron, the next is to move on i.e. to figure out how to trap and detect two or more spins.
single spin of electron,quantum computing,nanotechnology
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