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Showing 1–2 of 2 results
Advanced filters: Author: Komron J. Shayegan Clear advanced filters

  • Nonreciprocal thermal absorptivity and emissivity is shown over a broadband spectrum and specified angular range for a gradient epsilon-near-zero photonic structure.

    • Komron J. Shayegan
    • Jae S. Hwang
    • Harry A. Atwater
    ResearchOpen Access
    Light: Science & Applications
    Volume: 13, P: 1-8

  • An inequality is shown to exist between the spectral directional emissivity and absorptivity in a structure supporting a guided-mode resonance coupled to a magneto-optic material. This finding provides the direct observation of the violation of Kirchhoff’s law of thermal radiation.

    • Komron J. Shayegan
    • Souvik Biswas
    • Harry A. Atwater
    Research
    Nature Photonics
    Volume: 17, P: 891-896