Electrical engineers in Bochum, Germany, have succeeded in developing a new concept for ultrafast semiconductor lasers. The researchers make clever use of the intrinsic angular momentum of electrons, called spin, to successfully ...
General Physics
Oct 28, 2011
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(PhysOrg.com) -- TeraDiode, a spinout company from MIT Lincoln Lab and located nearby in Littleton, MA, has unveiled, a new powerful direct-diode laser capable of cutting all the way through steel up to half an inch thick ...
A team of researchers has proposed a way to turn the material graphene into a semiconductor, enabling it to control the flow of electrons with a laser "on-off switch".
Nanomaterials
Jun 17, 2011
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A new generation of high speed, silicon-based information technology has been brought a step closer by researchers in the Department of Electronic and Electrical Engineering at UCL and the London Centre for Nanotechnology. ...
Optics & Photonics
Jun 13, 2011
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QD Laser, Fujitsu Laboratories, and the Institute for Nano Quantum Information Electronics, the University of Tokyo today announced the world's first successful operation of a 1.3µm wavelength semiconductor laser at ...
Optics & Photonics
May 25, 2011
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(PhysOrg.com) -- In the push toward ever-smaller and ever-faster data transmission technology, a team of Stanford electrical engineers has produced a nanoscale laser that is much faster and vastly more energy efficient than ...
Optics & Photonics
May 17, 2011
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Electron microscopes use focussed electron beams to make extremely small objects visible. By combining the instrument with a gas-injection system material samples can be manipulated and surface structures measuring only nanometres ...
Nanophysics
Apr 13, 2011
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(AP) -- Sony Corp. said Tuesday it is suspending some production at plants in Japan that make popular consumer electronics like digital cameras and televisions due to shortages of components and raw materials following the ...
Business
Mar 22, 2011
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A new laser device created at the University of Central Florida could make high-speed computing faster and more reliable, opening the door to a new age of the Internet.
Optics & Photonics
Mar 15, 2011
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Fujitsu today announced the achievement of a 40 gigabits per second (40-Gbps) optical-fiber transmission employing an uncooled directly-modulated laser. This was realized through the combination of a structure specifically ...
General Physics
Mar 10, 2011
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