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Conferences > FiO > 2020 > JTu1A > JTu1A.36

Active near-unity absorption resonances in phase-transition material based all-dielectric nanogratings

Kyuho Kim, Sun-Je Kim, and Byoungho Lee

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Abstract

We propose and analyze actively tunable near-unity absorption resonances in simple all-dielectric nanogratings based on phase-transition material, vanadium dioxide (VO2), theoretically and numerically. We focus on enhancement and tunability of resonance spectra according to coating of a dielectric transparent optical film on the VO2 nanogratings.

© 2020 The Author(s)

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