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All-Dielectric Slot Metasurface with Ultra-High-Q resonances

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A novel all-dielectric metasurface in silicon-on-insulator technology made of arrayed circular slots is proposed and theoretically studied. The metasurface exhibits quasi-bound states in the continuum resonances, having an ultra-high Q-factor up to 5x108.

© 2021 The Author(s)

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