News tagged with quantum gate
Physicists Demonstrate Quantum Memory with Matter Qubits
Jul 03, 2009 |
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(PhysOrg.com) -- For the first time, scientists have successfully operated a quantum gate between two remote particles of matter, marking an important step toward the development of a quantum computer. In ...
'Self-correcting' gates advance quantum computing
Mar 12, 2009 |
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(PhysOrg.com) -- Two Dartmouth researchers have found a way to develop more robust “quantum gates,” which are the elementary building blocks of quantum circuits. Quantum circuits, someday, will be used to ...
Search results for quantum gate
Measuring quantum information without destroying it
Jan 15, 2009 |
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(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Scientists demonstrate all-fiber quantum logic
May 28, 2009 |
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A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibres with high fidelity.
Controllable double quantum dots and Klein tunneling in nanotubes
May 14, 2009 |
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Researchers from the Kavli Institute of NanoScience in Delft are the first to have successfully captured a single electron in a highly tunable carbon nanotube double quantum dot. This was made possible by a new approach for ...
Quantum computers take step toward practicality with demonstration of new device
May 09, 2008 |
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Computers based on the powerful properties of quantum mechanics have the potential to revolutionize information technology and security, but for decades they have remained more theoretical than practical, ...
Silicon chips for optical quantum technologies
Mar 27, 2008 |
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A team of physicists and engineers has demonstrated exquisite control of single particles of light – photons – on a silicon chip to make a major advance towards the long sought after goal of a super-powerful quantum computer.
Operating quantum memory at room temperature
Aug 25, 2008 |
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Quantum dots, along with quantum wires, have been attracting notice over the past decade as possible building blocks of quantum information processing. Indium arsenide quantum dots (InAs) can be used for memory operations ...
Quantum measurements: Common sense is not enough
Jul 22, 2009 |
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(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...
Quantum computers will require complex software to manage errors
Apr 08, 2009 |
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(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...
Quantum technologies move a step closer with the demonstration of an 'entanglement' filter
Jan 22, 2009 |
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(PhysOrg.com) -- A team of physicists and engineers has demonstrated an optical device that filters two particles of light (or photons) based on the correlations between their polarisation that are only allowed in the seemingly ...
Indium arsenide may provide clues to quantum information processing
Jul 23, 2007 |
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“We’re not saying we’ve built a quantum computer,” Andreas Fuhrer tells PhysOrg.com, “but this is an important first step towards spin manipulation via the spin-orbit interaction.”
List of search results for quantum gate
