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PI Physik Instrumente - Revolution In Photonics Align LW LB 3/24

New class of 3-D optical cavities demonstrated

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Nanoscale three-dimensional optical cavities made from metamaterials can generate the most powerful nanolaser beams to date. This new class of optical cavities, with remarkable electromagnetic properties, holds promise for a variety of other technologies, including photonic integrated circuits, LEDs, quantum optics, nonlinear optics and optical sensing. Optical cavities are the major components of most lasers. Light confined within these cavities reflects back and forth between two opposing mirrors to produce a standing wave at a specific resonant frequency. It is from this...Read full article

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    Published: September 2012
    Glossary
    dielectric
    Exhibiting the characteristic of materials that are electrical insulators or in which an electric field can be sustained with a minimum dispersion of power. They exhibit nonlinear properties, such as anisotropy of conductivity or polarization, or saturation phenomena.
    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...
    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...
    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.
    3-D optical cavitiesAir Force Office of Scientific ResearchAmericasCaliforniadielectrichyperboloid iso-frequency contourindefinite metamaterialsLawrence Berkeley National Laboratorylight propagationLight Sourcesmetamaterialsmirrorsnanonanolasersnonlinear opticsoptical cavitiesoptical refractive indicesoptical sensingOpticsphotonic integrated circuitsphotonicsquantum opticsrefractive indexResearch & TechnologyTech PulseUniversity of California BerkeleyXiang ZhangXiaodong YangLasersLEDs

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