Search results for photonics
Researchers create glasses that indicate obstacles to patients with visual handicaps
People with moderate visual impairment, particularly those who have difficulty perceiving the full extent of their surroundings, could use the ingenious device that these UC3M scientists have created. “This ...
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'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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Photonics: Beam me up
'Tractor beams' of light that pull objects towards them are no longer science fiction. Haifeng Wang at the A*STAR Data Storage Institute and co-workers have now demonstrated how a tractor beam can in fact be realized on a ...
May 24, 2012 |
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Research suggests cells communicate via biophotons
(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...
May 23, 2012 |
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Good vibes: Coupling electron spin states and carbon nanotube vibrations
(Phys.org) -- An electron’s spin is separate from its motion, and is suitable for use in both highly-precise magnetic sensing as well as a qubit in quantum computing. Recently, scientists at the University ...
May 23, 2012 |
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Non-invasive intracellular 'thermometer' with fluorescent proteins created
A team from the Institute of Photonic Sciences (ICFO) has developed a technique to measure internal cell temperatures without altering their metabolism. This finding could be useful when distinguishing healthy ...
Nanotechnology / Bio & Medicine
May 23, 2012 |
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Alcatel-Lucent introduces the world's most powerful Internet core router
Alcatel-Lucent today unveiled a new family of Internet core routers designed to address the major shifts that are happening in global networks. The 7950 XRS (Extensible Routing System) allows network operators to embrace ...
May 23, 2012 |
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Efficient and tunable interface for quantum networks
(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...
May 23, 2012 |
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New inexpensive, environmentally friendly solar cell shines with potential
(Phys.org) -- The limitations of conventional and current solar cells include high production cost, low operating efficiency and durability, and many cells rely on toxic and scarce materials. Northwestern University researchers ...
Technology / Energy & Green Tech
May 23, 2012 |
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Scientists uncover a photosynthetic puzzle
(Phys.org) -- Quantum physics and plant biology seem like two branches of science that could not be more different, but surprisingly they may in fact be intimately tied.
May 22, 2012 |
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Quantum computing: The light at the end of the tunnel may be a single photon
Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...
May 18, 2012 |
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International team to demonstrate first heralded single-photon generation from a silicon chip
An international consortium of researchers has overcome an important barrier to the generation of single photons using a tiny, chip-scale device constructed from the most widely used material underpinning ...
May 01, 2012 |
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Photonics: strong vibrations
A new approach to generating terahertz radiation will lead to new imaging and sensing applications. The low energy of the radiation means that it can pass through materials that are otherwise opaque, opening ...
May 10, 2012 |
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How to make a splash
(Phys.org) -- A team of physicists has used the high-energy x-rays of the Advanced Photon Source (APS) at Argonne National Laboratory to penetrate the everyday mystery of a splash, revealing previously hidden ...
May 09, 2012 |
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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 ...
May 08, 2012 |
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