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Hypersensitive Transport in Photonic Crystals with Accidental Spatial Degeneracies.


ABSTRACT: A localized mode in a photonic layered structure can develop nodal points (nodal planes), where the oscillating electric field is negligible. Placing a thin metallic layer at such a nodal point results in the phenomenon of induced transmission. Here we demonstrate that if the nodal point is not a point of symmetry, then even a tiny alteration of the permittivity in the vicinity of the metallic layer drastically suppresses the localized mode along with the resonant transmission. This renders the layered structure highly reflective within a broad frequency range. Applications of this hypersensitive transport for optical and microwave limiting and switching are discussed.

SUBMITTER: Makri E 

PROVIDER: S-EPMC4763300 | biostudies-other | 2016 Feb

REPOSITORIES: biostudies-other

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