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Proceedings Paper

Simulation of the influence of asymmetrical metallic apertures of the plasmonic infrared filter
Author(s): Hong-Kun Lyu; Young-Jin Park; Hui-Sup Cho; Sung-Hyun Jo; Jang-Kyoo Shin
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Paper Abstract

In recent times, much research in the field of complementary metal oxide semiconductor (CMOS) image sensors (CISs) regarding plasmonic color filters (PCFs) has been reported. In this paper, we investigated the influence of vertically asymmetrical metallic apertures on the extraordinary optical transmission of PCFs. We designed a structural model of the asymmetric cylindrical aperture. In addition, we simulated the spectral variation in the wavelength transmission. For the simulation, we used a commercial computer simulation tool utilizing the FDTD method. SiO2 was used as the substrate insulator, top-side insulator, and the fill material in the cylindrical aperture. We applied Au as the metal layer; dispersion information for Au was derived from the Lorentz–Drude model. We also presented the electric field distribution under several different conditions at the peak wavelength of the calculated transmission spectrum. Furthermore, we determined the transmittance spectral characteristics and the peak transmittance under several different conditions.

Paper Details

Date Published: 16 March 2015
PDF: 7 pages
Proc. SPIE 9357, Physics and Simulation of Optoelectronic Devices XXIII, 93571W (16 March 2015); doi: 10.1117/12.2081353
Show Author Affiliations
Hong-Kun Lyu, Daegu Gyeongbuk Institute of Science & Technology (Korea, Republic of)
Young-Jin Park, Daegu Gyeongbuk Institute of Science & Technology (Korea, Republic of)
Hui-Sup Cho, Daegu Gyeongbuk Institute of Science & Technology (Korea, Republic of)
Sung-Hyun Jo, Kyungpook National Univ. (Korea, Republic of)
Jang-Kyoo Shin, Kyungpook National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9357:
Physics and Simulation of Optoelectronic Devices XXIII
Bernd Witzigmann; Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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