Polarization beam splitters based on 2D supercell gratings at normal incidence

Weina Liu; Xiaoyi Liu; Yangxi Chen; Xiaohui Zou; Jing Wang

doi:10.1117/12.3034515

22 November 2024 Polarization beam splitters based on 2D supercell gratings at normal incidence

Weina Liu, Xiaoyi Liu, Yangxi Chen, Xiaohui Zou, Jing Wang

Proceedings Volume 13240, Holography, Diffractive Optics, and Applications XIV; 132401L (2024) https://doi.org/10.1117/12.3034515
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

A 2D supercell grating was proposed to work as a polarization beam splitter (PBS) at normal incidence, which directed TE-polarized light to (0, ±1) order and TM-polarized light to (±1, 0) order. The diffraction efficiency of targeted transmitting orders reached 71.32% and the extinction ratio exceeded 19.97 dB for TE- or TM- polarized illumination with 1550nm wavelength. Meanwhile, the (0, 0) order was well suppressed. The proposed 2D supercell grating is suitable for compact polarization systems.

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

Citation Download Citation

Weina Liu, Xiaoyi Liu, Yangxi Chen, Xiaohui Zou, and Jing Wang "Polarization beam splitters based on 2D supercell gratings at normal incidence", Proc. SPIE 13240, Holography, Diffractive Optics, and Applications XIV, 132401L (22 November 2024); https://doi.org/10.1117/12.3034515

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