Waveguide integrated reconfigurable all-dielectric metasurfaces

Yihao Cui; Behrad Gholipour

doi:10.1117/12.2594666

1 August 2021 Waveguide integrated reconfigurable all-dielectric metasurfaces

Yihao Cui, Behrad Gholipour

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 117952I (2021) https://doi.org/10.1117/12.2594666
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Conference Poster

Abstract

Recently reconfigurable phase change chalcogenide based metamaterials/metasurfaces have shown great promise in the realization of high speed large contrast all-optical switching and beam-steering devices with built-in memory functionality at a fraction of a wavelength in size across the ultraviolet to infrared frequency range. To incorporate these devices into current telecommunication platforms, integration with photonic waveguide architectures is a must as they present the most mature, widely used commercial photonic device platform today. Here, we present a new class of waveguide-integrated reconfigurable all-dielectric metasurfaces utilizing high refractive index phase change chalcogenides and discuss the unique considerations, design, and physical principles that are essential for integrating such nanostructures into waveguides where illumination is provided through controlled evanescent coupling of guided modes into the metamaterial structure.

Conference Presentation

Citation Download Citation

Yihao Cui and Behrad Gholipour "Waveguide integrated reconfigurable all-dielectric metasurfaces", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 117952I (1 August 2021); https://doi.org/10.1117/12.2594666

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