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Polarization-dependent plasmonic color filter based on different sizes nanodisk arrays built-up structure
Author(s): Yuting Yang; Gongli Xiao; Hongyan Yang; Kaifu Zhang
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Paper Abstract

The plasmonic color filter with a suitable bandwidth, high transmittance is usually regarded as an essential optical element for a variety of utilization. Here, we propose an ultra-thin plasmonic color filter based on a substrate free dielectric film waveguide composed of two sizes of metal-disk. The proposed plasmonic filter operates through the hybrid role of surface plasmon polariton (SPP) mode, the localized Fabry-Perot resonance, and waveguide mode. The filter consists of a waveguide layer (Si3N4), a buffer layer (MgF2) and a nanodisk (Al). This paper uses the finite difference time domain (FDTD) method. The boundary condition is the boundary condition of the perfectly matched layer(PML) with anisotropy in Y direction, and the periodic boundary condition is selected in X and Z directions. In this paper, the influence of the thickness of the waveguide layer, the thickness of the buffer layer and the nanodisk period on the transmission spectrum is discussed, and the polarization-dependence of the filter is also discussed. The results demonstrate that the filter has more than 80% transmittance and is related to polarization and can be implemented to color display and integrated optoelectronic devices.

Paper Details

Date Published: 20 December 2019
PDF: 8 pages
Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120934 (20 December 2019); doi: 10.1117/12.2548795
Show Author Affiliations
Yuting Yang, Guilin Univ. Of Electronic Technology (China)
Gongli Xiao, Guilin Univ. of Electronic Technology (China)
Hongyan Yang, School of Electronic Engineering and Automation (China)
Kaifu Zhang, Guilin Univ. Of Electronic Technology (China)


Published in SPIE Proceedings Vol. 11209:
Eleventh International Conference on Information Optics and Photonics (CIOP 2019)
Hannan Wang, Editor(s)

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