News tagged with optical computer

Research group creates longer lived and more efficient quantum memory

(Phys.org) -- One of the main sticking points to creating a true quantum computer capable of performing meaningful work, is the problem of storing quantum state information in memory. Recent efforts have resulted in highly ...

Physics / Quantum Physics

created May 30, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast report

'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 ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created May 15, 2012 | popularity 3.9 / 5 (7) | comments 5 | with audio podcast

Computing the best high-resolution 3-D tissue images

Real-time, 3-D microscopic tissue imaging could be a revolution for medical fields such as cancer diagnosis, minimally invasive surgery and ophthalmology. University of Illinois researchers have developed ...

Physics / General Physics

created Apr 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Meet the Ultrabook: The next big thing in notebooks aims to compete with the iPad

At January's International Consumer Electronics Show in Las Vegas, there was a lot of chatter around Ultrabooks - thin, lightweight laptop notebooks designed to be more portable than the usual laptop and more powerful than ...

Electronics / Consumer & Gadgets

created Apr 12, 2012 | popularity 4 / 5 (2) | comments 6

Highest honors for quantum computer pioneer

Experimental physicist Rainer Blatt from the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria, will receive the Stern-Gerlach Medal of the German Physical Society. The medal ...

Physics / Quantum Physics

created Mar 23, 2012 | popularity 5 / 5 (6) | comments 0

An optical diode made with silicon technology can be used for quantum information

(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...

Physics / Optics & Photonics

created Mar 23, 2012 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast

NTT researchers develop breakthrough optical memory device

(PhysOrg.com) -- To improve transmission speeds, the Internet has transitioned over the years from one using copper to fiber optic cabling. Unfortunately, this has caused a bottleneck to occur where the light ...

Physics / Optics & Photonics

created Feb 27, 2012 | popularity 4.7 / 5 (11) | comments 1 | with audio podcast report

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.

Physics / Quantum Physics

created Jan 26, 2012 | popularity 4.9 / 5 (15) | comments 0 | with audio podcast

Scientists pioneer new concrete corrosion sensors

Scientists at Queen's University Belfast have made a major breakthrough in developing sensors which dramatically improve the ability to spot early warning signs of corrosion in concrete.

Technology / Engineering

created Jan 25, 2012 | popularity 5 / 5 (1) | comments 2

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 ...

Physics / Quantum Physics

created Jan 19, 2012 | popularity 4.2 / 5 (15) | comments 13 | with audio podcast

Subaru's sharp eye confirms signs of unseen planets in the dust ring of HR 4796 A

(PhysOrg.com) -- The SEEDS (Strategic Exploration of Exoplanets and Disks with Subaru Telescope/HiCIAO) project, a five-year international collaboration launched in 2009 and led by Motohide Tamura of NAOJ ...

Space & Earth / Astronomy

created Dec 30, 2011 | popularity 5 / 5 (11) | comments 1 | with audio podcast

Flipping an egg carton of light traps giant atoms

(PhysOrg.com) -- In an egg carton of laser light, University of Michigan physicists can trap giant Rydberg atoms with up to 90 percent efficiency, an achievement that could advance quantum computing and terahertz ...

Physics / General Physics

created Dec 23, 2011 | popularity 5 / 5 (4) | comments 7 | with audio podcast

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.

Physics / Optics & Photonics

created Dec 22, 2011 | popularity 5 / 5 (9) | comments 0 | with audio podcast