High-efficiency polarization converter with near-unity transmittance in the visible wavelength based on all dielectric rod metasurface array

Chuyu Liu; Yuhang Gao; Qingguo Du

doi:10.1117/12.3034235

5 July 2024 High-efficiency polarization converter with near-unity transmittance in the visible wavelength based on all dielectric rod metasurface array

Chuyu Liu, Yuhang Gao, Qingguo Du

Author Affiliations +

Proceedings Volume 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024); 131831B (2024) https://doi.org/10.1117/12.3034235
Event: The 3rd International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 2024, Wuhan, China

Abstract

Owing to the unique electromagnetic properties, metasurface is able to achieve arbitrary polarization status by planning the shape of the meta-atoms in one unit. Compared to conventional waveplates, due to the compact size of the metasurface based devices, polarization converters with high conversion efficiency have great potential in integrated photonics. In this paper, we present a transmissive polarization converter working in the visible wavelength region which is composed of GaN rectangular rod metasurface array placed on a glass substrate. The metasurface structure exhibits a polarization conversion ratio exceeding 0.8 within the wavelength range of 477-538 nm, and achieves nearly 100% conversion efficiency for linearly polarized light at 503 nm. The transmittance is larger than 0.8 in the identical wavelength range and the highest transmittance of 0.98 is achieved at 503 nm.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chuyu Liu, Yuhang Gao, and Qingguo Du "High-efficiency polarization converter with near-unity transmittance in the visible wavelength based on all dielectric rod metasurface array", Proc. SPIE 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 131831B (5 July 2024); https://doi.org/10.1117/12.3034235

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