All-dielectric metasurface infrared absorber with symmetry-protected bound stated in continuum

Ming-Jyun Ye; Dmitrii N. Maksimov; Kuo-Ping Chen

doi:10.1117/12.2678018

4 October 2023 All-dielectric metasurface infrared absorber with symmetry-protected bound stated in continuum

Ming-Jyun Ye, Dmitrii N. Maksimov, Kuo-Ping Chen

Proceedings Volume PC12646, Metamaterials, Metadevices, and Metasystems 2023; PC126460P (2023) https://doi.org/10.1117/12.2678018
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

The exceptional resonance was excited by symmetry-protected quasi-bound states in continuum (Q-BICs). Q-BIC absorption ~ 90% at the communication wavelength was demonstrated by a germanium nanohole metasurface without a back reflector involved.

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Ming-Jyun Ye, Dmitrii N. Maksimov, and Kuo-Ping Chen "All-dielectric metasurface infrared absorber with symmetry-protected bound stated in continuum", Proc. SPIE PC12646, Metamaterials, Metadevices, and Metasystems 2023, PC126460P (4 October 2023); https://doi.org/10.1117/12.2678018

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KEYWORDS

Infrared radiation

Absorption

Germanium

Reflectors

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