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quantum computing - recent steps! April 20, 2011

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trexpesto

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Cool to see relatively rapid progress.

* Single-electron transistor, 0-1-2, with memory 2011/4/18:
http://www.news.pitt.edu/news/Levy_SketchSET_NatureNano
A nice large pic: http://www.news.pitt.edu/sites/default/files/SketchSET.jpg

* Correct teleportation 2011/4/15:
http://www.unsw.edu.au/news/pad/articles/2011/apr/Quantum_teleport_paper.html

I originally read about it here. Click-thru ad:
http://blogs.forbes.com/alexknapp/2...rough-may-pave-the-way-for-quantum-computing/

Science 15 April 2011:
We report on the experimental quantum teleportation of strongly nonclassical wave packets of light. To perform this full quantum operation while preserving and retrieving the fragile nonclassicality of the input state, we have developed a broadband, zero-dispersion teleportation apparatus that works in conjunction with time-resolved state preparation equipment. Our approach brings within experimental reach a whole new set of hybrid protocols involving discrete- and continuous-variable techniques in quantum information processing for optical sciences.
Click to expand...
 
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