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Nonlinear Light Manipulation Could Provide Basis for Optical Nanodevices

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Ultrafast nanoantenna switching between different light-scattering modes, caused by the interaction between an intense laser pulse and the silicon of a nanostructure, could lead to devices that would enable ultrafast all-optical signal processing. To demonstrate ultrafast nanoantenna switching, researchers from ITMO University and the Moscow Institute of Physics and Technology (MIPT) manipulated the optical properties of a nonlinear silicon nanoantenna. They irradiated an array of silicon nanoparticles with a short and intense laser pulse and continuously measured the transmittance,...Read full article

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    Published: August 2016
    Glossary
    optical
    Pertaining to optics and the phenomena of light.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    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...
    nanoparticle
    A small object that behaves as a whole unit or entity in terms of it's transport and it's properties, as opposed to an individual molecule which on it's own is not considered a nanoparticle.. Nanoparticles range between 100 and 2500 nanometers in diameter.
    Research & TechnologyEuropeLight SourcesOpticsopticalnanotechnologyphotonicsnanoparticleOptics News

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