Navigation Links
'Quantum computer' a stage closer with silicon breakthrough, reports Nature journal
Date:6/24/2010

The remarkable ability of an electron to exist in two places at once has been controlled in the most common electronic material silicon - for the first time. The research findings - published in Nature by a UK-Dutch team from the University of Surrey, UCL (University College) London, Heriot-Watt University in Edinburgh, and the FOM Institute for Plasma Physics near Utrecht - marks a significant step towards the making of an affordable "quantum computer".

According to the research paper in Nature the scientists have created a simple version of Schrodinger's cat which is paradoxically simultaneously both dead and alive - in the cheap and simple material out of which ordinary computer chips are made.

"This is a real breakthrough for modern electronics and has huge potential for the future," explained Professor Ben Murdin, Photonics Group Leader at the University of Surrey. "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. In our case we used a far-infrared, very short, high intensity pulse from the Dutch FELIX laser to put an electron orbiting within silicon into two states at once - a so-called quantum superposition state. We then demonstrated that the superposition state could be controlled so that the electrons emit a burst of light at a well-defined time after the superposition was created. The burst of light is called a photon echo; and its observation proved we have full control over the quantum state of the atoms."

And the development of a silicon based "quantum computer" may be only just over the horizon. "Quantum computers can solve some problems much more efficiently than conventional computers - and they will be particularly useful for security because they can quickly crack existing codes and create un-crackable codes," Professor Murdin continued. "The next generation of devices must make use of these superpositions to do quantum computations. Crucially our work shows that some of the quantum engineering already demonstrated by atomic physicists in very sophisticated instruments called cold atom traps, can be implemented in the type of silicon chip used in making the much more common transistor."

Professor Gabriel Aeppli, Director of the London Centre for Nanotechnology added that the findings were highly significant to academia and business alike. "Next to iron and ice, silicon is the most important inorganic crystalline solid because of our tremendous ability to control electrical conduction via chemical and electrical means," he explained. "Our work adds control of quantum superpositions to the silicon toolbox."


'/>"/>

Contact: Dave Weston
d.weston@ucl.ac.uk
44-207-679-7678
University College London
Source:Eurekalert  

Related biology technology :

1. Quantum move toward next generation computing
2. NIST racetrack ion trap is a contender in quantum computing quest
3. World record: Julich supercomputer simulates quantum computer
4. Quantum leap for phonon lasers
5. Seeing the quantum in chemistry: JILA scientists control chemical reactions of ultracold molecules
6. NIH Director Francis Collins to Speak at National Press Club February 26 on A New Era of Quantum Leaps in Biomedical Research
7. NISTs second quantum logic clock based on aluminum ion is now worlds most precise clock
8. Turning down the noise in quantum data storage
9. Golden ratio discovered in a quantum world
10. Straightening messy correlations with a quantum comb
11. NIST demonstrates universal programmable quantum processor
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'Quantum computer' a stage closer with silicon breakthrough, reports Nature journal
(Date:6/23/2017)... ... June 23, 2017 , ... ... of a redesigned, easier-to-navigate website for all six of their healthcare job ... nurses, dentists, pharmacists, physical and occupational therapists, and biotechnicians, DocCafe.com and the ...
(Date:6/22/2017)... ... June 21, 2017 , ... Building on the success of the inaugural ... on the very latest developments in radical life extension. RAADfest combines cutting edge science ... the empowerment of personal development, making it the largest most comprehensive and inclusive super ...
(Date:6/22/2017)... , ... June 22, 2017 , ... ... results to clients throughout the biopharma and life sciences industries, continue to be ... is seeing. Tunnell’s Kip Wolf will be speaking on “The State of Information ...
(Date:6/20/2017)... ... 20, 2017 , ... CTNext , Connecticut’s go-to resource ... a Higher Education Entrepreneurship Advisory Committee to implement the recommendations of the master ... representatives from 35 higher education institutions across the state over the past six ...
Breaking Biology Technology:
(Date:4/13/2017)... , April 13, 2017 UBM,s Advanced ... will feature emerging and evolving technology through ... Innovation Summits will run alongside the expo portion of ... sessions, panels and demonstrations focused on trending topics within ... advanced design and manufacturing event will take place June ...
(Date:4/11/2017)... Florida , April 11, 2017 ... a security technology company, announces the appointment of independent Directors ... Bendheim to its Board of Directors, furthering the company,s ... ... of NXT-ID, we look forward to their guidance and benefiting ...
(Date:4/4/2017)... 4, 2017   EyeLock LLC , a leader ... United States Patent and Trademark Office (USPTO) has issued ... linking of an iris image with a face image ... the company,s 45 th issued patent. ... timely given the multi-modal biometric capabilities that have recently ...
Breaking Biology News(10 mins):