Using clouds of ultra-cold atoms and a pair of lasers operating at optical wavelengths, researchers have reached a quantum network milestone: entangling light with an optical atomic coherence composed of interacting atoms ...
Quantum Physics
Jun 19, 2013
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(Phys.org) —Researchers from North Carolina State University have developed a method for creating "nano-volcanoes" by shining various colors of light through a nanoscale "crystal ball" made of a synthetic polymer. These ...
Nanophysics
Jun 13, 2013
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(Phys.org) —Researchers at SLAC and Stanford have created a new device, smaller than a grain of rice, that could streamline optical data communications. It can directly identify the wavelength of light that hits it, and ...
General Physics
Jun 5, 2013
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The development of structured synthetic materials with unusual electromagnetic properties, so-called metamaterials, promises to provide access to special physical effects of great technological interest. Metamaterials have ...
Materials Science
Jun 4, 2013
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Laser researchers in Munich are challenging a basic assumption of engineering: "You can't have it all." They have shown that for certain kinds of laser applications in biomedical imaging, material processing, and communications, ...
Optics & Photonics
Jun 3, 2013
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Like their more visible cousins the butterflies, moths are undergoing rapid population declines.
Plants & Animals
May 30, 2013
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(Phys.org) —How much light has been emitted by all galaxies since the cosmos began? After all, every photon (particle of light) from ultraviolet to far infrared wavelengths ever radiated by all galaxies that ever existed ...
Astronomy
May 24, 2013
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(Phys.org) —Researchers and physicians in the field could soon run on-the-spot tests for environmental toxins, medical diagnostics, food safety and more with their smartphones.
Analytical Chemistry
May 23, 2013
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For decades, Landsat satellites have documented the desiccation of the Aral Sea in Central Asia. Once one of the largest seas in the world, it shrunk to a tenth of its original volume after Russia diverted its feeder rivers ...
Earth Sciences
May 22, 2013
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Inspired by the structure of moth eyes, researchers at North Carolina State University have developed nanostructures that limit reflection at the interfaces where two thin films meet, suppressing the "thin-film interference" ...
Nanomaterials
May 16, 2013
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