News tagged with optical switching

Reversible doping: Hydrogen flips switch on vanadium oxide

If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks ...

Physics / Condensed Matter

created May 21, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Two stopped light pulses interact with each other

(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...

Physics / General Physics

created May 08, 2012 | popularity 4.1 / 5 (16) | comments 8 | with audio podcast feature

Handheld probe shows promise for oral cancer detection

A team of American researchers have created a portable, miniature microscope in the hope of reducing the time taken to diagnose oral cancer.

Technology / Engineering

created Apr 26, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Development of world’s first functional polymer nanowire fabrication technology by pulsed laser irradiation

Japanese researchers selectively grew polymer nanowires using only irradiation with a pulsed laser, in a region limited to the area of irradiation. They also succeeded in imparting diverse functionalities ...

Nanotechnology / Nanomaterials

created Jan 05, 2012 | popularity not rated yet | comments 0

Engineers at Yale develop new type of mechanical memory

(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the te ...

Nanotechnology / Nanophysics

created Oct 25, 2011 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast report

Single molecule can shift the phase of a laser beam

(PhysOrg.com) -- The ability to control light forms the basis of many technologies, from microscopy to optical computing. Now, a team of scientists from ETH in Zurich, Switzerland, has demonstrated that a ...

Physics / General Physics

created Sep 06, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast feature

Researchers demonstrate an electrochromic nanoplasmonic optical switch

In a recent article in Nano Letters, CNST researchers describe a new high-contrast, low operating-voltage, electrochemical optical switch that uses a volume of active dye orders-of-magnitude smaller than that of conventional electr ...

Nanotechnology / Nanophysics

created Sep 01, 2011 | popularity 5 / 5 (1) | comments 0

Vertical cavity quantum switch could lead us away from electronics-based computing

(PhysOrg.com) -- Right now, many researchers around the world are working on ways to move away from electronics-dominated computing systems. There are a number of ideas about how this can be accomplished. "We are trying to ...

Physics / Optics & Photonics

created Jun 30, 2011 | popularity 4.4 / 5 (27) | comments 5 | with audio podcast feature

Small details between 'in vivo' and 'in vitro' studies make for big differences

Small details between "in vivo" and "in vitro" studies make for big differences in understanding diabetes and other secretory dysfunctions

Biology / Cell & Microbiology

created Dec 13, 2010 | popularity not rated yet | comments 0

Fujitsu develops optical switch that cuts power consumption by half

Fujitsu Laboratories Limited today announced that it has been able to halve the power consumption of an optical waveguide switch based on silicon photonics through the world's first use of fine-patterned silicon ...

Technology / Semiconductors

created Nov 09, 2010 | popularity 4.2 / 5 (5) | comments 0

Plasma as a fast optical switch

Laser uses relativistic effects to turn otherwise opaque plasma transparent, creating an ultra-fast optical switch useful in next-generation particle accelerators.

Physics / Plasma Physics

created Nov 08, 2010 | popularity 4.8 / 5 (4) | comments 0

An Internet 100 times as fast: A new network design could boost capacity

(PhysOrg.com) -- The heart of the Internet is a network of high-capacity optical fibers that spans continents. But while optical signals transmit information much more efficiently than electrical signals, ...

Technology / Computer Sciences

created Jun 28, 2010 | popularity 4.7 / 5 (54) | comments 16 | with audio podcast

New photonic material may facilitate all-optical switching and computing

A class of molecules whose size, structure and chemical composition have been optimized for photonic use could provide the demanding combination of properties needed to serve as the foundation for low-power, ...

Physics / Condensed Matter

created Feb 23, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Presto! Fast color-changing material may lead to more powerful computers (w/Video)

(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.

Chemistry / Materials Science

created Apr 23, 2009 | popularity 4.4 / 5 (18) | comments 7


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