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'Crowd Behavior' Seen in Semiconductor Electronics

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BOULDER, Colo., July 11, 2007 -- Ultrafast lasers have revealed a subtle, previously unseen type of "collective electronic behavior" among semiconductors, research that may help improve the design of optoelectronic devices. The work at JILA, a joint venture of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder, is described in a new paper in the Proceedings of the National Academy of Sciences. Design of optoelectronic devices, like the semiconductor diode lasers used in telecommunications, currently involves a lot of trial and error. A designer trying to use basic theory...Read full article

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    Published: July 2007
    Glossary
    diode
    A two-electrode device with an anode and a cathode that passes current in only one direction. It may be designed as an electron tube or as a semiconductor device.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    optoelectronic
    Pertaining to a device that responds to optical power, emits or modifies optical radiation, or utilizes optical radiation for its internal operation. Any device that functions as an electrical-to-optical or optical-to-electrical transducer. Electro-optic often is used erroneously as a synonym.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic ScienceCommunicationsdiodediode laserselectronicemissionsfiber opticsJILAlaser tuningnanoNews & FeaturesNISTOpticsoptoelectronicparticlesphotonicssemiconductorstelecommunicationsultrafastultrafast lasersLasers

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