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[Science Daily]Electron Traps That Compute

post #1 of 5
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ETH Zurich physicists have used a semiconductor material to create superimposed quantum dots that “trap†single electrons. Not only can these dots be studied with lasers, their energy can be influenced as well. Another point: the state of one of the dots governs that of the other above it. This has taken the researchers another step closer to quantum computers.
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The Quantum Photonics Group researchers finally used two coupled quantum dots to study their semiconductor system, because these govern one another reciprocally. The state of one dot influences that of the one above it, and vice versa. On top of that, the ETH Zurich physicists were able to control these states optically from the outside, i.e. by excitation with a laser. Robledo says “We found a way to make quantum dots interact with one another and to communicate in a controlled fashion.†The controlled interaction presented in the study could be a suitable way to carry out fundamental quantum operations.
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post #2 of 5
That's truly groundbreaking
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post #3 of 5
hoo boy, this is exciting!
    
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post #4 of 5
Old news to me, my housemate is actually doing this research. Trust me it's a long long LONG ways from working.
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post #5 of 5
Quote:
Originally Posted by Ihatethedukes View Post
Old news to me, my housemate is actually doing this research. Trust me it's a long long LONG ways from working.

So is our economy, but at least these people are trying to make something work.
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