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Hamamatsu Corp. - Earth Innovations LB 2/24

System measures limits of plasmonic enhancement

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Photonic interactions have been measured for the first time on the scale of a single atom. The ability to quantify the unique properties of light gives physicists a road map to precise control of scattering in metal-based devices such as biosensors and photonic integrated circuits. The work, performed at Duke University and Imperial College London, measures plasmons on an unprecedented scale, and the researchers believe that they have characterized the limits of such surface plasmons on metal. The electromagnetic field enhancement produced at the nanoscale by surface plasmons on metal is...Read full article

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    Published: November 2012
    Glossary
    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.
    nonlinear optics
    Nonlinear optics is a branch of optics that studies the optical phenomena that occur when intense light interacts with a material and induces nonlinear responses. In contrast to linear optics, where the response of a material is directly proportional to the intensity of the incident light, nonlinear optics involves optical effects that are not linearly dependent on the input light intensity. These nonlinear effects become significant at high light intensities, such as those produced by...
    plasmonics
    Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free electrons in a metal or semiconductor at the nanoscale. Specifically, plasmonics deals with the collective oscillations of these free electrons, known as surface plasmons, which can confine and manipulate light on the nanometer scale. Surface plasmons are formed when incident photons couple with the conduction electrons at the interface between a metal or semiconductor...
    quantum optics
    The area of optics in which quantum theory is used to describe light in discrete units or "quanta" of energy known as photons. First observed by Albert Einstein's photoelectric effect, this particle description of light is the foundation for describing the transfer of energy (i.e. absorption and emission) in light matter interaction.
    Air Force Office of Scientific ResearchAmericasArmy Research Officeatom-level resolutionBasic ScienceBiophotonicsbiosensorsCristian CiraciDavid SmithDuke UniversityEuropefield enhancementImperial College LondonJohn PendryLondonMultidisciplinary University Research Initiativenanononlinear opticsNorth Carolinaoptical scatteringOpticsphotonic integrated circuitsphotonic interactionsplasmonic systemsplasmonicsquantum opticsResearch & TechnologyScience magazineSensors & Detectorssurface plasmonsTech Pulse

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