Quantum phenomena at extremely low temperatures are fervently studied both theoretically and experimentally in contemporary physics. Alkali atoms cooled to near absolute zero formed the first experimentally successful gaseous ...
Quantum Physics
Oct 17, 2012
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In modern telecommunications, light carries digital information over kilometers within seconds. Adapted optical materials control the light signals. In the Advanced Functional Materials journal, researchers from Berlin, Louvain, ...
Materials Science
Oct 5, 2012
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(Phys.org)—An international, Harvard-led team of researchers have demonstrated a new type of light beam that propagates without spreading outwards, remaining very narrow and controlled along an unprecedented distance. This ...
Optics & Photonics
Sep 7, 2012
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The amount of structural damage that radiation causes in electronic materials at the atomic level may be at least ten times greater than previously thought.
General Physics
Jul 20, 2012
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Stretching for thousands of miles beneath oceans, optical fibers now connect every continent except for Antarctica. With less data loss and higher bandwidth, optical-fiber technology allows information to zip around the world, ...
Optics & Photonics
Aug 4, 2011
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Utilizing a century-old phenomenon discovered in St. Paul's Cathedral, London, applied scientists at Harvard University have demonstrated, for the first time, highly collimated unidirectional microlasers.
Optics & Photonics
Dec 13, 2010
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Chinese researchers, reporting in the Journal of Applied Physics, published by the American Institute of Physics, have described a new breakthrough in understanding the way electrons travel around quantum dots. This might ...
Nanophysics
Oct 20, 2010
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With the advent of nanometer-sized machines, there is considerable demand for stable, precise tools to measure absolute distances and distance changes. One way to do this is with a plasmon ruler. In physics jargon, a "plasmon" ...
Nanophysics
Aug 31, 2010
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The fiber optic cable networks linking the world are an essential part of modern life. To keep up with ever-increasing demands for more bandwidth, scientists are working to improve the optical amplifiers that boost fiber ...
General Physics
Jun 16, 2010
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John Federici, a physics professor at NJIT, sees the use of terahertz rays as a critical technology in the defense against suicide bombers and other terrorist activities. Federici and his research team recently described ...
Optics & Photonics
Apr 12, 2010
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