News tagged with optical process
'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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Simplifying the process of detecting genuine multiparticle entanglement
(PhysOrg.com) -- The ability to entangle particles is considered essential for a number of experiments and applications. While we have seen evidence for quantum entanglement, it is still difficult to detect ...
May 20, 2011 |
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New 'metamaterial' practical for optical advances
(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
May 15, 2012 |
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Physicists demonstrate 100-fold speed increase in optical quantum memory
(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...
Apr 01, 2010 |
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Quantum mechanics enables perfectly secure cloud computing
Researchers have succeeded in combining the power of quantum computing with the security of quantum cryptography and have shown that perfectly secure cloud computing can be achieved using the principles of ...
Jan 19, 2012 |
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Europe's largest solar telescope opens in Canary Islands
A powerful solar telescope billed as the largest in Europe opened Monday on Spain's Canary Islands which scientists say will allow them to study the sun in unprecedented detail.
Space & Earth / Space Exploration
May 21, 2012 |
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Entangled Light in Bose-Einstein Condensates
(PhysOrg.com) -- When physicists entangle light, they usually use nonlinear crystals as the source. However, it’s difficult to control the entanglement generation process in a bulk crystal, and so scientists ...
Apr 08, 2009 |
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The quantum computer is growing up: Repetitive error correction in a quantum processor
(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: ...
May 26, 2011 |
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New device could bring optical information processing
(PhysOrg.com) -- Researchers have created a new type of optical device small enough to fit millions on a computer chip that could lead to faster, more powerful information processing and supercomputers.
Dec 22, 2011 |
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Fabricating 3D Photonic Crystals
(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “This ...
Jan 21, 2009 |
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Bell Labs breaks optical transmission record, 100 Petabit per second kilometer barrier
Alcatel-Lucent today announced that scientists in Bell Labs, the company’s research arm, have set a new optical transmission record of more than 100 Petabits per second.kilometer (equivalent to 100 million Gigabits per second.kilometer). ...
Sep 29, 2009 |
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Speed limit on the quantum highway
(PhysOrg.com) -- Physicists at the Max Planck Institute of Quantum Optics have measured the propagation velocity of quantum signals in a many-body system.
Jan 26, 2012 |
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Trapping giant Rydberg atoms for faster quantum computers
In an achievement that could help enable fast quantum computers, University of Michigan physicists have built a better Rydberg atom trap. Rydberg atoms are highly excited, nearly-ionized giants that can be ...
May 06, 2010 |
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Green light from Silicon
(PhysOrg.com) -- Researchers at the University of St Andrews have made a surprise discovery that the material at the heart of the microelectronics industry can emit green light.
Apr 15, 2009 |
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Scientists demonstrate all-fiber quantum logic
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.
May 28, 2009 |
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