An international team of scientists from Australia, Japan and the United States has produced a prototype of a large-scale quantum processor made of laser light.
Optics & Photonics
Oct 17, 2019
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To date, much has been stated about the promise of quantum computing for myriad of applications but there have been few examples of a quantum advantage for real-world problems of practical interest. This might change with ...
Quantum Physics
Feb 27, 2018
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If you're designing a new computer, you want it to solve problems as fast as possible. Just how fast is possible is an open question when it comes to quantum computers, but physicists at the National Institute of Standards ...
Quantum Physics
Apr 13, 2015
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With cutting-edge technology, sometimes the first step scientists face is just making sure it actually works as intended.
Quantum Physics
Mar 5, 2014
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Physicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces. But there are more exotic forms of magnetism whose properties remain unclear, despite decades of intense research. An important ...
Quantum Physics
May 23, 2013
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Computing prime factors may sound like an elementary math problem, but try it with a large number, say one that contains more than 600 digits, and the task becomes enormously challenging and impossibly time-consuming. Now, ...
Quantum Physics
Aug 19, 2012
31
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(Phys.org) -- Quantum computers are still years away, but a trio of theorists has already figured out at least one talent they may have. According to the theorists, including one from the National Institute of Standards and ...
Quantum Physics
Jun 1, 2012
7
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The fundamental resource that drives a quantum computer is entanglement—the connection between two distant particles which Einstein famously called 'spooky action at a distance'. The Bristol researchers have, for the ...
Optics & Photonics
Dec 11, 2011
14
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(PhysOrg.com) -- A team of physicists at the University of Innsbruck, led by Philipp Schindler and Rainer Blatt, has been the first to demonstrate a crucial element for a future functioning quantum computer: repetitive error ...
Quantum Physics
May 26, 2011
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(PhysOrg.com) -- The new system, which can compute faster and more efficiently than previous quantum computers, may bring the technology closer to reality.
Quantum Physics
Jun 15, 2010
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