Waveguide Photonic limiters based on topologically protected resonant modes

Abstract : We propose a concept of chiral photonic limiters utilizing topologically protected localized midgap defect states in a photonic waveguide. The chiral symmetry alleviates the effects of structural imperfections and guarantees a high level of resonant transmission for low intensity radiation. At high intensity, the light-induced absorption can suppress the localized modes, along with the resonant transmission. In this case the entire photonic structure becomes highly reflective within a broad frequency range, thus increasing dramatically the damage threshold of the limiter. Here we demonstrate experimentally the loss-induced reflection principle of operation which is at the heart of reflective photonic limiters using a waveguide consisting of coupled dielectric microwave resonators.
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Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95, pp.121409(R). 〈10.1103/PhysRevB.95.121409〉
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Ulrich Kuhl, Fabrice Mortessagne, Eleana Makri, Ilya Vitebskiy, Tsampikos Kottos. Waveguide Photonic limiters based on topologically protected resonant modes. Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95, pp.121409(R). 〈10.1103/PhysRevB.95.121409〉. 〈hal-01481364〉

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