This, Mr Worf, I like. I remember, decades ago, talking this over with fellow students in college. One of us mentioned the possibility of silicon, and we all got misty-eyed, knowing the the technology was still years off.
On Wed, Jun 30, 2010 at 4:05 PM, Mr. Worf <hellomahog...@gmail.com> wrote: > > > Silicon breakthrough brings quantum computers a step closer > > By Dario Borghino <http://www.gizmag.com/author/dario-borghino/> > > *17:06 June 29, 2010* > [image: A high-energy laser pulse (red) can modify the state of a > phosphorus electron (yellow) > wit...]<http://www.gizmag.com/silicon-breakthrough-quantum-computer/15572/picture/116951/> > > A high-energy laser pulse (red) can modify the state of a phosphorus > electron (yellow) within silicon (gray) so that its density distribution > becomes the one highlighted in green. 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Hurry buy now. > Ads by > Google<http://www.google.com/url?ct=abg&q=https://www.google.com/adsense/support/bin/request.py%3Fcontact%3Dabg_afc%26url%3Dhttp://www.gizmag.com/silicon-breakthrough-quantum-computer/15572/%253Futm_source%253DGizmag%252BSubscribers%2526utm_campaign%253Dee096acc17-UA-2235360-4%2526utm_medium%253Demail%26hl%3Den%26client%3Dca-pub-1607124478120364%26adU%3Dwww.k2solar.com%26adT%3DCommercial%2BSolar%2BSystems%26adU%3Dwww.Solarpower.org%26adT%3DCalifornia%2BSolar%2BPower%26adU%3Dwww.sunwize.com/calculator%26adT%3DSunWize%2BSolar%2BCalculator%26adU%3Dwww.solar-deals.com%26adT%3D%252499.99:%2BDIY%2BSolar%2BPanel%26gl%3DUS&usg=AFQjCNEPVxTqu_d_vRLx90WYag5_xDcJ1g> > > An international team of researchers from the University of > Surrey<http://www2.surrey.ac.uk/>, > UCL <http://www.ucl.ac.uk/>, Heriot-Watt University <http://www.hw.ac.uk/>and > the FOM > Institute for Plasma Physics <http://www.rijnhuizen.nl/> have used > infra-red laser to obtain precise control of the quantum superpositions of > an electron in silicon for the first time. This feat marks yet another leap > toward the dream of an affordable, fast and reliable quantum > computer<http://www.gizmag.com/tag/quantum+computing/> > . > > Close to reaching the insurmountable performance wall of conventional > electronics, researchers have long been working on a completely different > approach to information processing. Should this technology be perfected > within the next 15 to 20 years as is expected, quantum computing would not > only allow us to reach miniaturizations far beyond the predictions of > Moore's law, but would also allow us to solve existing problems with > significantly less operations, as we;; as problems – particularly in the > security area – that computers using the traditional approach are unable to > even formulate. > > In the quantum computing world, superposition is the ability of a "quantum > bit" to assume two or more values at the same time; while counterintuitive, > this property forms the basis for the unique and extraordinarily efficient > approach of this emerging technology. Precise control of > superpositions<http://www.gizmag.com/quantum-computing-researchers-control-electrons/14123/>has > been achieved > before<http://www.gizmag.com/optical-transistor-made-from-single-molecule/12157/>, > as was a rudimental all-electronic quantum > processor<http://www.gizmag.com/first-electronic-quantum-processor/12125/>, > but this piece of research marks the very first time that superpositions are > being controlled in silicon, which paves the way to significantly cheaper > quantum computers. > > The team used an infrared, high-energy laser pulse to put a phosphorus > electron orbiting within silicon into two states at once, and then went on > to show that the electrons emit a burst of light at a well-defined time > after the superposition was created, proving the full control over the > quantum state of the atoms. > > "This is a real breakthrough for modern electronics and has huge potential > for the future," explained Prof. Ben Murdin, who was part of the research > team. "Lasers have had an ever increasing impact on technology, especially > for the transmission of processed information between computers, and this > development illustrates their potential power for processing information > inside the computer itself." > > A > Paper<http://www.nature.com/nature/journal/v465/n7301/full/nature09112.html>detailing > the team's finding is available from the online edition of the > journal *Nature*. > > > -- > Celebrating 10 years of bringing diversity to perversity! > Mahogany at: http://groups.yahoo.com/group/mahogany_pleasures_of_darkness/ > > -- "If all the world's a stage and we are merely players, who the bloody hell wrote the script?" -- Charles E Grant http://www.youtube.com/watch?v=fQUxw9aUVik
