News tagged with applied optics
Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.
Nanotechnology / Nanomaterials
Nov 21, 2011 |
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Tunable nano-suspensions for light harvesting
A Syracuse University researcher has developed a patent-pending robust process to manufacture stable suspensions of metal nanoparticles capable of capturing sunlight.
Aug 22, 2011 |
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New nanostructured glass for imaging and recording developed
(PhysOrg.com) -- University of Southampton researchers have developed new nano-structured glass optical elements, which have applications in optical manipulation and will significantly reduce the cost of medical ...
Aug 15, 2011 |
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Caltech-led engineers solve longstanding problem in photonic chip technology
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 ...
Aug 04, 2011 |
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Physicists move closer to efficient single-photon sources
A team of physicists in the United Kingdom has taken a giant step toward realizing efficient single-photon sources, which are expected to enable much-coveted completely secure optical communications, also known as "quantum ...
Mar 16, 2011 |
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Researchers demonstrate highly unidirectional 'whispering gallery' microlasers
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.
Dec 13, 2010 |
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Short-range scattering in quantum dots
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 ...
Oct 20, 2010 |
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Could light and matter coupling lead to quantum computation?
(PhysOrg.com) -- In science, one of the issues of great interest is that of quantum computing, and creating a way to make it possible on a scalable level. This could be achieved by taking advantage of the strong interaction ...
Oct 11, 2010 |
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Tiny rulers to measure nanoscale structures
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 ...
Aug 31, 2010 |
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Light, instead of electrodes, could control deformable mirrors
(PhysOrg.com) -- The field of adaptive optics is advancing in interest as technology makes it possible to use deformable mirrors for a number of applications in optoelectronics. Deformable mirrors usually make use of rigid ...
Jul 15, 2010 |
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Carbon nanotubes show the ability to amplify light, could lead to new photonic applications
(PhysOrg.com) -- "Carbon nanotubes have a lot of really nice properties that make them good for photonics," Laurent Vivien tells PhysOrg.com. Ever since the discovery that carbon nanotubes have photoluminescence when encaps ...
Jun 23, 2010 |
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Heavy metal glass helps light go the distance
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 ...
Jun 16, 2010 |
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Fully epitaxial microcavities: Open the door to quantum optoelectronic effects in the GaN-based system
For the very first time, a team of researchers in Germany has introduced quantum dots in fully epitaxial nitride laser structures without the need for hybrid systems -- effectively eliminating the cumbersome method of combining ...
Jun 16, 2010 |
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NJIT physicist sees terahertz imaging as ultimate defense against terrorism
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 ...
Apr 12, 2010 |
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Ultra-powerful Laser Makes Silicon Pump Liquid Uphill with No Added Energy
(PhysOrg.com) -- Researchers at the University of Rochester's Institute of Optics have discovered a way to make liquid flow vertically upward along a silicon surface, overcoming the pull of gravity, without pumps or other ...
Mar 16, 2010 |
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