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Computing breakthrough could elevate security to unprecedented levels

Physics / General Physics

created Aug 16, 2007 | popularity 4.5 / 5 (26) | comments 0

By using pulses of light to dramatically accelerate quantum computers, University of Michigan researchers have made strides in technology that could foil national and personal security threats.


Single-crystal semiconductor wire built into an optical fiber

Single-crystal semiconductor wire built into an optical fiber

Nanotechnology / Nanomaterials

created Mar 12, 2008 | popularity 4.3 / 5 (30) | comments 3

An international science team from Penn State University in the United States and the University of Southampton in the United Kingdom has developed a process for growing a single-crystal semiconductor inside ...


Physicists lay the groundwork for cooler, faster computing

Physics / Optics & Photonics

created Dec 14, 2009 | popularity 4.7 / 5 (25) | comments 5

University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...


Time Lens

Time Lens Speeds Up Optical Data Transmission

Physics / Optics & Photonics

created Sep 28, 2009 | popularity 4.8 / 5 (15) | comments 7

(PhysOrg.com) -- Researchers at Cornell University have developed a device called a "time lens" which is a silicon device for speeding up optical data. The basic components of this device are an optical-fiber ...


Silicon optical fiber made practical

Physics / General Physics

created Oct 28, 2008 | popularity 4.7 / 5 (18) | comments 0

Scientists at Clemson University for the first time have been able to make a practical optical fiber with a silicon core, according to a new paper published in the current issue of the Optical Society's open-access journal, ...


Quantum leap in hi-tech performance

Physics / General Physics

created Sep 25, 2008 | popularity 4.3 / 5 (21) | comments 1

For years, physicists have been heralding the revolutionary potential of using quantum mechanics to build a new generation of supercomputers, unbreakable codes, and ultra-fast and secure communication networks.


New optical microcavity could lead to more efficient quantum computing

Physics / General Physics

created Sep 07, 2007 | popularity 4.7 / 5 (27) | comments 0

Right now, there is no shortage of proposed architectures for quantum computers. Scientists are constantly looking for, and developing viable candidates for quantum information processing. And with the production of an open ...


Decrease-radix design principle for multi-valued logic units and its application

Technology / Engineering

created Jan 09, 2009 | popularity 3.5 / 5 (2) | comments 2

A new theory referred to as the Decrease-Radix Design is proposed. And based on this theory, the regulations of making multi-valued logic operation units are presented. The theory has laid down a solid foundation for the ...


Molecular machines drive plasmonic nanoswitches

Nanotechnology / Nanophysics

created Feb 11, 2009 | popularity 5 / 5 (2) | comments 1

Plasmonics -- a possible replacement for current computing approaches -- may pave the way for the next generation of computers that operate faster and store more information than electronically-based systems and are smaller ...


Silicon Photonics Advancement Aims to Accelerate Future Computing, Communications

Silicon Photonics Advancement Aims to Accelerate Future Computing, Communications

Physics / Optics & Photonics

created Dec 08, 2008 | popularity 4.4 / 5 (22) | comments 6

(PhysOrg.com) -- Intel researchers have made the next advance in the field of Silicon Photonics by achieving world-record performance using a silicon-based Avalanche Photodetector (APD) that could lower costs ...


Tiny lasers get a notch up

Physics / General Physics

created Jan 22, 2009 | popularity 4 / 5 (5) | comments 0

Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...


Photonic quantum technologies could be only light years away

Physics / General Physics

created Aug 30, 2007 | popularity 3.2 / 5 (18) | comments 0

Photonic quantum information science could soon move out of the laboratory and be used in future technologies like quantum computers thanks to a grant of over £1 million.


Slower light could mean faster computers

Physics / General Physics

created Dec 22, 2006 | popularity 4.6 / 5 (36) | comments 0

IBM today announced its researchers have built a device capable of delaying the flow of light on a silicon chip, a requirement to one day allow computers to use optical communications to achieve better performance.


Nanotechnology gets a new light touch

Nanotechnology gets a new light touch

Nanotechnology / Nanophysics

created Oct 02, 2009 | popularity 4.9 / 5 (8) | comments 0

(PhysOrg.com) -- Building the super-fast computers of the future has just become much easier thanks to an advance by Australian researchers that lets them grab hold of tiny electronics components and probe ...


From opals to optical chips

From opals to optical chips

Physics / Condensed Matter

created Mar 03, 2008 | popularity 4.4 / 5 (18) | comments 0

Materials known as photonic crystals could form the building blocks of future optical computers and micro-scale communications devices. Scientists have developed a low-cost and versatile way to make photonic ...