News tagged with photonic devices

Researchers create light from 'almost nothing'

(PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could ...

Physics / Quantum Physics

created Jun 06, 2011 | popularity 4.9 / 5 (40) | comments 59 | with audio podcast report

Discovery brings new type of fast computers closer to reality

Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...

Physics / Optics & Photonics

created Sep 27, 2009 | popularity 4.5 / 5 (35) | comments 1

Intel's Light Peak Will Replace Copper Wires

(PhysOrg.com) -- At the Intel Developer Forum in San Francisco Wednesday, the company announced a new optical cable that will be able to transfer data, between electrical devices, starting at speeds of 10 ...

Technology / Hi Tech & Innovation

created Sep 24, 2009 | popularity 4.5 / 5 (34) | comments 17 weblog

A see-through surprise: Scientists make solid material transparent to terahertz waves

Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...

Physics / Condensed Matter

created Dec 07, 2009 | popularity 4.6 / 5 (19) | comments 1

Researchers analyze the future of transistor-less magnonic logic circuits

(PhysOrg.com) -- As one of the newest research areas today, the field of magnonics is attracting researchers for many reasons, not the least being its possible role in the development of transistor-less logic ...

Physics / General Physics

created Jun 28, 2010 | popularity 4.5 / 5 (18) | comments 2 | with audio podcast feature

Small optical force can budge nanoscale objects

(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.

Nanotechnology / Nanophysics

created Nov 17, 2009 | popularity 4.9 / 5 (16) | comments 0

New organic material may speed Internet access

The next time an overnight snow begins to fall, take two bricks and place them side by side a few inches apart in your yard.

Physics / Optics & Photonics

created Mar 15, 2009 | popularity 4.7 / 5 (16) | comments 5

'Slow light' on a chip holds promise for optical communications

A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics (published online Septem ...

Physics / Optics & Photonics

created Sep 05, 2010 | popularity 4.7 / 5 (16) | comments 1 | with audio podcast

New technique that scrambles light may lead to sharper images, wider views

When photographers zoom in on an object to see it better, they lose the wide-angle perspective -- they are forced to trade off "big picture" context for detail. But now an imaging method developed by Princeton ...

Physics / Optics & Photonics

created Apr 21, 2009 | popularity 4.4 / 5 (15) | comments 3

In brief: A tiny, tunable well of light, and a string theorist's toolbox

Promising photonic devices, and theorists attempt to determine whether particle physics and string theory can be reconciled.

Physics / General Physics

created Sep 21, 2009 | popularity 3.8 / 5 (17) | comments 7

Tandem polymer solar cells that set record for energy-conversion

(PhysOrg.com) -- In the effort to convert sunlight into electricity, photovoltaic solar cells that use conductive organic polymers for light absorption and conversion have shown great potential. Organic polymers ...

Physics / Optics & Photonics

created Feb 13, 2012 | popularity 4.6 / 5 (12) | comments 7 | with audio podcast

A pinch of light: Laser 'tweezers' for medicine, communications and harvesting energy

Star Trek fans will remember "tractor beams," lasers that allowed the Starship Enterprise to trap and move objects. Tel Aviv University is now turning this science fiction into science fact -- on a nano scale.

Physics / General Physics

created Jul 06, 2010 | popularity 4.7 / 5 (11) | comments 0 | 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

Seeing the light: Scientists bring plasmonic nanofields into focus

In typical plasmonic devices, electromagnetic waves crowd into tiny metal structures, concentrating energy into nanoscale dimensions. Due to coupling of electronics and photonics in these metal ...

Nanotechnology / Nanophysics

created Feb 03, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

Caltech researchers design a new nanomesh material

(PhysOrg.com) -- Computers, light bulbs, and even people generate heat—energy that ends up being wasted. With a thermoelectric device, which converts heat to electricity and vice versa, you can harness that ...

Nanotechnology / Nanomaterials

created Sep 23, 2010 | popularity 4.4 / 5 (11) | comments 3 | with audio podcast