NIST scientists have devised an experimental photon-detection system for communications with error rates far below even the most ideal conventional designs.
Optics & Photonics
Dec 3, 2014
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Action-packed science-fiction movies often feature colourful laser bolts. But what would a real laser missile look like during flight, if we could only make it out? How would it illuminate its surroundings? The answers lie ...
Optics & Photonics
Oct 22, 2014
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A study just published in Nature Communications and carried out by a collaboration of several Italian and international centres, including SISSA, used a technique based on applying short flashes of light to observe and analyse ...
Superconductivity
Jul 14, 2014
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Photovoltaic cells directly convert sun light into electricity and hence are key technological devices to meet one of the challenges that mankind has to face in this century: a sustainable and clean production of renewable ...
Nanomaterials
May 30, 2014
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Going back to the drawing board to find a way to overcome the technical limitations of their laser, a team led by François Légaré, professor at the INRS Énergie Matériaux Télécommunications Research Centre, developed ...
Optics & Photonics
May 14, 2014
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The transformation of infrared light to a different wavelength, such as visible light, is important in many applications. Some of the most efficient semiconductor lasers operate in the infrared region of the spectrum, whereas ...
General Physics
Jan 17, 2014
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A team working at the SACLA X-ray Free-Electron Laser (XFEL) in Japan has succeeded in generating ultra-bright, two-color X-ray laser pulses, for the first time in the hard X-ray region. These light pulses with different ...
General Physics
Dec 4, 2013
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Free-electron lasers are extremely versatile research tools because their intense, super short light flashes permit a closer look at new materials and even biological molecules; thus, allowing effects to be observed that ...
General Physics
Aug 8, 2013
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Research from the Institute of Photonics and Quantum Sciences (IPaQS) at Heriot-Watt, has the potential to revolutionise how we observe the universe using telescopes, with a new approach that exploits ultrashort pulses of ...
Optics & Photonics
Jul 9, 2013
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An experiment with 30 metronomes reveals chimera states which combine aspects of synchrony and of disorder. Researchers had been looking for such states for ten years.
Jun 19, 2013
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