Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating

Here we numerically and experimentally demonstrate the conversion of normally incident light into the guiding modes of distributed Bragg reflector (DBRs) mirror. By fabricating a gold grating onto a 7.5 pairs TiO(2)/SiO(2) DBR mirror, a series of asymmetrical resonances have been formed at the bandg...

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Autores principales: Yang, Wenhong, Sun, Shang, Zhang, Chen, Li, Jiankai, Duan, Zonghui, Song, Qinghai, Xiao, Shumin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5154186/
https://www.ncbi.nlm.nih.gov/pubmed/27958336
http://dx.doi.org/10.1038/srep38964
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author Yang, Wenhong
Sun, Shang
Zhang, Chen
Li, Jiankai
Duan, Zonghui
Song, Qinghai
Xiao, Shumin
author_facet Yang, Wenhong
Sun, Shang
Zhang, Chen
Li, Jiankai
Duan, Zonghui
Song, Qinghai
Xiao, Shumin
author_sort Yang, Wenhong
collection PubMed
description Here we numerically and experimentally demonstrate the conversion of normally incident light into the guiding modes of distributed Bragg reflector (DBRs) mirror. By fabricating a gold grating onto a 7.5 pairs TiO(2)/SiO(2) DBR mirror, a series of asymmetrical resonances have been formed at the bandgap range of the DBR mirror. The detailed numerical calculations show that these Fano resonances are attributed to the coupling of incident waves into guiding modes of the DBR mirror. Compared with the other resonances, this coupling mechanism can be simply realized and it has also been revealed to be quite robust to the environmental changes, making the conversion between propagating waves and guiding waves to be practically interesting for many applications.
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spelling pubmed-51541862016-12-28 Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating Yang, Wenhong Sun, Shang Zhang, Chen Li, Jiankai Duan, Zonghui Song, Qinghai Xiao, Shumin Sci Rep Article Here we numerically and experimentally demonstrate the conversion of normally incident light into the guiding modes of distributed Bragg reflector (DBRs) mirror. By fabricating a gold grating onto a 7.5 pairs TiO(2)/SiO(2) DBR mirror, a series of asymmetrical resonances have been formed at the bandgap range of the DBR mirror. The detailed numerical calculations show that these Fano resonances are attributed to the coupling of incident waves into guiding modes of the DBR mirror. Compared with the other resonances, this coupling mechanism can be simply realized and it has also been revealed to be quite robust to the environmental changes, making the conversion between propagating waves and guiding waves to be practically interesting for many applications. Nature Publishing Group 2016-12-13 /pmc/articles/PMC5154186/ /pubmed/27958336 http://dx.doi.org/10.1038/srep38964 Text en Copyright © 2016, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Yang, Wenhong
Sun, Shang
Zhang, Chen
Li, Jiankai
Duan, Zonghui
Song, Qinghai
Xiao, Shumin
Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title_full Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title_fullStr Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title_full_unstemmed Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title_short Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating
title_sort coupling the normal incident light into waveguide modes of dbr mirrors via a diffraction grating
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5154186/
https://www.ncbi.nlm.nih.gov/pubmed/27958336
http://dx.doi.org/10.1038/srep38964
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