Massively degenerate coherent perfect absorption in flatband meta-optics

Minho Choi; Christopher Munley; Johannes Fröch; Johannes Fröch; Arka Majumdar; Arka Majumdar

doi:10.1364/CLEO_FS.2023.FW3D.7

CLEO 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper FW3D.7
•https://doi.org/10.1364/CLEO_FS.2023.FW3D.7

Massively degenerate coherent perfect absorption in flatband meta-optics

Minho Choi, Christopher Munley, Johannes Fröch, and Arka Majumdar

CLEO: Fundamental Science 2023

San Jose, CA United States
7–12 May 2023
ISBN: 978-1-957171-25-8

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New Concepts in Metasurfaces (FW3D)

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M. Choi, C. Munley, J. Fröch, and A. Majumdar, "Massively degenerate coherent perfect absorption in flatband meta-optics," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper FW3D.7.

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Abstract

The flatband dispersion of particular guided-mode resonance on silicon meta-optics can provide consistent coherent perfect absorption in the degenerate momentum space. This optics can provide perfect absorption regardless of the input spatial mode.

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