The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width

We demonstrate that the interference pattern of the plasmonic and photonic modes can be controlled by changing the slit width of a square slit structure. Based on the analyses of the plasmonic and photonic modes of slits with different widths, we theoretically derived the expressions of wavefield ge...

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Autores principales: Li, Xing, Tang, Jing, Zhang, Xuelian, Zhang, Ruirui, Zeng, Xiangyu, Zhan, Zijun, Liu, Chunxiang, Cheng, Chuanfu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7221913/
https://www.ncbi.nlm.nih.gov/pubmed/32290409
http://dx.doi.org/10.3390/nano10040730
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author Li, Xing
Tang, Jing
Zhang, Xuelian
Zhang, Ruirui
Zeng, Xiangyu
Zhan, Zijun
Liu, Chunxiang
Cheng, Chuanfu
author_facet Li, Xing
Tang, Jing
Zhang, Xuelian
Zhang, Ruirui
Zeng, Xiangyu
Zhan, Zijun
Liu, Chunxiang
Cheng, Chuanfu
author_sort Li, Xing
collection PubMed
description We demonstrate that the interference pattern of the plasmonic and photonic modes can be controlled by changing the slit width of a square slit structure. Based on the analyses of the plasmonic and photonic modes of slits with different widths, we theoretically derived the expressions of wavefield generated by a square slit. A far-field scattered imaging system is utilized to collect the intensity distribution experimentally. Various interference patterns, including stripes, square-like lattice array, and diamond-like lattice array, have been observed by adjusting the slit widths. In addition, the results were validated by performing finite-difference time-domain simulations, which are consistent with the theoretical and experimental results.
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spelling pubmed-72219132020-05-22 The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width Li, Xing Tang, Jing Zhang, Xuelian Zhang, Ruirui Zeng, Xiangyu Zhan, Zijun Liu, Chunxiang Cheng, Chuanfu Nanomaterials (Basel) Article We demonstrate that the interference pattern of the plasmonic and photonic modes can be controlled by changing the slit width of a square slit structure. Based on the analyses of the plasmonic and photonic modes of slits with different widths, we theoretically derived the expressions of wavefield generated by a square slit. A far-field scattered imaging system is utilized to collect the intensity distribution experimentally. Various interference patterns, including stripes, square-like lattice array, and diamond-like lattice array, have been observed by adjusting the slit widths. In addition, the results were validated by performing finite-difference time-domain simulations, which are consistent with the theoretical and experimental results. MDPI 2020-04-11 /pmc/articles/PMC7221913/ /pubmed/32290409 http://dx.doi.org/10.3390/nano10040730 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Li, Xing
Tang, Jing
Zhang, Xuelian
Zhang, Ruirui
Zeng, Xiangyu
Zhan, Zijun
Liu, Chunxiang
Cheng, Chuanfu
The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title_full The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title_fullStr The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title_full_unstemmed The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title_short The Interference Pattern of Plasmonic and Photonic Modes Manipulated by Slit Width
title_sort interference pattern of plasmonic and photonic modes manipulated by slit width
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7221913/
https://www.ncbi.nlm.nih.gov/pubmed/32290409
http://dx.doi.org/10.3390/nano10040730
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