A multichannel color filter with the functions of optical sensor and switch

Abstract This paper reports a multichannel color filter with the functions of optical sensor and switch. The proposed structure comprises a metal–insulator–metal (MIM) bus waveguide side-couples to six circular cavities with different sizes for filtering ultra-violet and visible lights into individu...

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Autores principales:	Yuan-Fong Chou Chau, Chung-Ting Chou Chao, Hung Ji Huang, Sy-Hann Chen, Tsung Sheng Kao, Hai-Pang Chiang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/eb7f038c575046819803c08ca6d267ae
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spelling	oai:doaj.org-article:eb7f038c575046819803c08ca6d267ae2021-11-28T12:16:34ZA multichannel color filter with the functions of optical sensor and switch10.1038/s41598-021-02453-22045-2322https://doaj.org/article/eb7f038c575046819803c08ca6d267ae2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02453-2https://doaj.org/toc/2045-2322Abstract This paper reports a multichannel color filter with the functions of optical sensor and switch. The proposed structure comprises a metal–insulator–metal (MIM) bus waveguide side-couples to six circular cavities with different sizes for filtering ultra-violet and visible lights into individual colors in the wavelength range of 350–700 nm. We used the finite element method to analyze the electromagnetic field distributions and transmittance properties by varying the structural parameters in detail. The designed plasmonic filter takes advantage of filtering out different colors since the light-matter resonance and interference between the surface plasmon polaritons (SPPs) modes within the six cavities. Results show that the designed structure can preferentially select the desired colors and confine the SPPS modes in one of the cavities. This designed structure can filter eleven color channels with a small full width at half maximum (FWHM) ~ 2 nm. Furthermore, the maximum values of sensitivity, figure of merit, quality factor, dipping strength, and extinction ratio can achieve of 700 nm/RIU, 350 1/RIU, 349.0, 65.04%, and 174.50 dB, respectively, revealing the excellent functions of sensor performance and optical switch, and offering a chance for designing a beneficial nanophotonic device.Yuan-Fong Chou ChauChung-Ting Chou ChaoHung Ji HuangSy-Hann ChenTsung Sheng KaoHai-Pang ChiangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yuan-Fong Chou Chau Chung-Ting Chou Chao Hung Ji Huang Sy-Hann Chen Tsung Sheng Kao Hai-Pang Chiang A multichannel color filter with the functions of optical sensor and switch
description	Abstract This paper reports a multichannel color filter with the functions of optical sensor and switch. The proposed structure comprises a metal–insulator–metal (MIM) bus waveguide side-couples to six circular cavities with different sizes for filtering ultra-violet and visible lights into individual colors in the wavelength range of 350–700 nm. We used the finite element method to analyze the electromagnetic field distributions and transmittance properties by varying the structural parameters in detail. The designed plasmonic filter takes advantage of filtering out different colors since the light-matter resonance and interference between the surface plasmon polaritons (SPPs) modes within the six cavities. Results show that the designed structure can preferentially select the desired colors and confine the SPPS modes in one of the cavities. This designed structure can filter eleven color channels with a small full width at half maximum (FWHM) ~ 2 nm. Furthermore, the maximum values of sensitivity, figure of merit, quality factor, dipping strength, and extinction ratio can achieve of 700 nm/RIU, 350 1/RIU, 349.0, 65.04%, and 174.50 dB, respectively, revealing the excellent functions of sensor performance and optical switch, and offering a chance for designing a beneficial nanophotonic device.
format	article
author	Yuan-Fong Chou Chau Chung-Ting Chou Chao Hung Ji Huang Sy-Hann Chen Tsung Sheng Kao Hai-Pang Chiang
author_facet	Yuan-Fong Chou Chau Chung-Ting Chou Chao Hung Ji Huang Sy-Hann Chen Tsung Sheng Kao Hai-Pang Chiang
author_sort	Yuan-Fong Chou Chau
title	A multichannel color filter with the functions of optical sensor and switch
title_short	A multichannel color filter with the functions of optical sensor and switch
title_full	A multichannel color filter with the functions of optical sensor and switch
title_fullStr	A multichannel color filter with the functions of optical sensor and switch
title_full_unstemmed	A multichannel color filter with the functions of optical sensor and switch
title_sort	multichannel color filter with the functions of optical sensor and switch
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/eb7f038c575046819803c08ca6d267ae
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A multichannel color filter with the functions of optical sensor and switch

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