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Showing 1–4 of 4 results
Advanced filters: Author: N. Papasimakis Clear advanced filters

  • Pulses of light with a toroidal structure are experimentally realized in the terahertz and optical regions.

    • Apostolos Zdagkas
    • Cormac McDonnell
    • Nikolay I. Zheludev
    Research
    Nature Photonics
    Volume: 16, P: 523-528

  • The ‘spaser’ (surface plasmon amplification by stimulated emission of radiation) is a relatively new and exciting concept analogous to the laser. It involves amplifying specific surface plasmon modes using a nanoscale device. Zheludev and co-workers extend this concept by suggesting that metamaterials could be used to create a lasing spaser, that is, a spaser that can emit light with high spatial coherence.

    • N. I. Zheludev
    • S. L. Prosvirnin
    • V. A. Fedotov
    Research
    Nature Photonics
    Volume: 2, P: 351-354

  • A review on toroidal excitations, from static toroidal moments in condensed matter, to dynamic toroidal multipoles demonstrated experimentally with metamaterials.

    • N. Papasimakis
    • V. A. Fedotov
    • N. I. Zheludev
    Reviews
    Nature Materials
    Volume: 15, P: 263-271

  • The anapole, a non-radiating charge-current configuration, was recently observed in a variety of artificial materials and nanostructures. We provide a brief overview of this rapidly developing field and discuss implications for spectroscopy, energy materials, electromagnetics, as well as quantum and nonlinear optics.

    • V. Savinov
    • N. Papasimakis
    • N. I. Zheludev
    Comments & OpinionOpen Access
    Communications Physics
    Volume: 2, P: 1-4