A Photonic crystal fiber with large effective refractive index separation and low dispersion

A photonic crystal fiber (PCF) structure with a ring-core and 5 well-ordered semiellipse air-holes has been creatively proposed. Through a comparison between the structures with a high refractive index (RI) ring-core and the structure without, it conclude that a PCF with a high RI ring-core can work...

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Detalles Bibliográficos
Autores principales: Geng, Zhihao, Wang, Ning, Li, Keyao, Kang, Hui, Xu, Xun, Liu, Xing, Wang, Weicheng, Jia, Hongzhi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2020
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7224559/
https://www.ncbi.nlm.nih.gov/pubmed/32407381
http://dx.doi.org/10.1371/journal.pone.0232982
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author Geng, Zhihao
Wang, Ning
Li, Keyao
Kang, Hui
Xu, Xun
Liu, Xing
Wang, Weicheng
Jia, Hongzhi
author_facet Geng, Zhihao
Wang, Ning
Li, Keyao
Kang, Hui
Xu, Xun
Liu, Xing
Wang, Weicheng
Jia, Hongzhi
author_sort Geng, Zhihao
collection PubMed
description A photonic crystal fiber (PCF) structure with a ring-core and 5 well-ordered semiellipse air-holes has been creatively proposed. Through a comparison between the structures with a high refractive index (RI) ring-core and the structure without, it conclude that a PCF with a high RI ring-core can work better. Schott SF57 was elected as the substrate material of ring-core. This paper compares the effects of long-axis and short-axis changes on the PCF and selects the optimal solution. Especially TE(0,1) mode’s dispersion is maintained between 0 and 3 ps / (nm · km) ranging from 1.45 μm to 1.65 μm. This property can be used to generate a supercontinuum with 200 μm long zero dispersion wavelength (ZDM). In addition, Δn(eff) reaches up to 10(−3), which enables the near -degeneracy of the eigenmodes to be almost neglected. The proposed PCF structure will have great application value in the field of optical communications.
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spelling pubmed-72245592020-06-01 A Photonic crystal fiber with large effective refractive index separation and low dispersion Geng, Zhihao Wang, Ning Li, Keyao Kang, Hui Xu, Xun Liu, Xing Wang, Weicheng Jia, Hongzhi PLoS One Research Article A photonic crystal fiber (PCF) structure with a ring-core and 5 well-ordered semiellipse air-holes has been creatively proposed. Through a comparison between the structures with a high refractive index (RI) ring-core and the structure without, it conclude that a PCF with a high RI ring-core can work better. Schott SF57 was elected as the substrate material of ring-core. This paper compares the effects of long-axis and short-axis changes on the PCF and selects the optimal solution. Especially TE(0,1) mode’s dispersion is maintained between 0 and 3 ps / (nm · km) ranging from 1.45 μm to 1.65 μm. This property can be used to generate a supercontinuum with 200 μm long zero dispersion wavelength (ZDM). In addition, Δn(eff) reaches up to 10(−3), which enables the near -degeneracy of the eigenmodes to be almost neglected. The proposed PCF structure will have great application value in the field of optical communications. Public Library of Science 2020-05-14 /pmc/articles/PMC7224559/ /pubmed/32407381 http://dx.doi.org/10.1371/journal.pone.0232982 Text en © 2020 Geng et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Geng, Zhihao
Wang, Ning
Li, Keyao
Kang, Hui
Xu, Xun
Liu, Xing
Wang, Weicheng
Jia, Hongzhi
A Photonic crystal fiber with large effective refractive index separation and low dispersion
title A Photonic crystal fiber with large effective refractive index separation and low dispersion
title_full A Photonic crystal fiber with large effective refractive index separation and low dispersion
title_fullStr A Photonic crystal fiber with large effective refractive index separation and low dispersion
title_full_unstemmed A Photonic crystal fiber with large effective refractive index separation and low dispersion
title_short A Photonic crystal fiber with large effective refractive index separation and low dispersion
title_sort photonic crystal fiber with large effective refractive index separation and low dispersion
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7224559/
https://www.ncbi.nlm.nih.gov/pubmed/32407381
http://dx.doi.org/10.1371/journal.pone.0232982
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