News tagged with optoelectronics


Scientists break light modulation speed record -- twice

Physics / General Physics

created Jun 15, 2009 | popularity 4.6 / 5 (9) | comments 0

Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.





Search results for optoelectronics


3 Americans share 2009 Nobel Prize in physics (AP)

'Masters of light' win Nobel Physics Prize

Physics / General Physics

created Oct 06, 2009 | popularity 5 / 5 (9) | comments 2

Charles Kao, Willard Boyle and George Smith won the 2009 Nobel Physics Prize Tuesday for pioneering "masters of light" work on fibre optics and semiconductors, the Nobel jury said.


Scientists hone technique to safeguard water supplies

Space & Earth / Environment

created Aug 28, 2009 | popularity not rated yet | comments 0

A method to detect contaminants in municipal water supplies has undergone further refinements by two Oak Ridge National Laboratory researchers whose findings are published on line in Water Environment Research.


Tiny lasers plug the 'green gap'

Tiny lasers plug the 'green gap'

Physics / General Physics

created Apr 30, 2009 | popularity 5 / 5 (9) | comments 4

(PhysOrg.com) -- Compact lasers which can work in formerly inaccessible parts of the spectrum and are suitable for mass production are now within reach.


Quantum dots and nanomaterials: Ingredients for better lighting and more reliable power

Nanotechnology / Nanomaterials

created Mar 13, 2009 | popularity 5 / 5 (5) | comments 0

Imagine flexible lighting devices manufactured by using printing techniques. Imagine solar power sources equally as reliable and as portable as any conventional power source.


Chemists find secret to increasing luminescence efficiency of carbon nanotubes

Chemists find secret to increasing luminescence efficiency of carbon nanotubes (Animation)

Nanotechnology / Nanomaterials

created Mar 06, 2009 | popularity 5 / 5 (3) | comments 0

Chemists at the University of Connecticut have found a way to greatly increase the luminescence efficiency of single-walled carbon nanotubes, a discovery that could have significant applications in medical ...


'Strained' quantum dots show new optical properties

Nanotechnology / Nanophysics

created Dec 07, 2008 | popularity 4.4 / 5 (8) | comments 0

Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their ...


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, ...


Nanowire technology could make LCDs brighter, thinner, and cheaper

Nanowire technology could make LCDs brighter, thinner, and cheaper

Nanotechnology / Nanophysics

created Oct 03, 2008 | popularity 4.5 / 5 (57) | comments 3

(PhysOrg.com) -- As nanoimprinting technology advances, scientists have shown that using nano-sized polarizers could significantly enhance the contrast ratio in liquid crystal displays (LCDs). For consumers, ...


Carbon nanostructures form the future of electronics and optoelectronics

Nanotechnology / Nanomaterials

created Sep 23, 2008 | popularity 4.1 / 5 (7) | comments 0

This year's Julius Springer Prize for Applied Physics will be awarded to Phaedon Avouris and Tony Heinz for their pioneering work on the electrical and optical properties of nanoscale carbon materials including carbon nanotubes ...


Explosives go 'green'

Explosives go 'green'

Chemistry /

created Aug 28, 2008 | popularity 3.4 / 5 (8) | comments 2

(Physorg.com) -- Certain explosives may soon get a little greener and a little more precise. LLNL researchers added unique green solvents (ionic liquids) to an explosive called TATB (1,3,5-triamino-2,4,6-trinitrobenzene) ...



List of search results for optoelectronics