Vernier effect using in-line highly coupled multicore fibers

Abstract We demonstrate optical fiber sensors based on highly coupled multicore fibers operating with the optical Vernier effect. The sensors are constructed using a simple device incorporating single-mode fibers (SMFs) and a segment of a multicore fiber. In particular, we evaluated the performance...

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Autores principales:	Natanael Cuando-Espitia, Miguel A. Fuentes-Fuentes, Amado Velázquez-Benítez, Rodrigo Amezcua, Juan Hernández-Cordero, Daniel A. May-Arrioja
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bf03b507e75545e793e8bfef787e911c
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spelling	oai:doaj.org-article:bf03b507e75545e793e8bfef787e911c2021-12-02T15:15:40ZVernier effect using in-line highly coupled multicore fibers10.1038/s41598-021-97646-02045-2322https://doaj.org/article/bf03b507e75545e793e8bfef787e911c2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97646-0https://doaj.org/toc/2045-2322Abstract We demonstrate optical fiber sensors based on highly coupled multicore fibers operating with the optical Vernier effect. The sensors are constructed using a simple device incorporating single-mode fibers (SMFs) and a segment of a multicore fiber. In particular, we evaluated the performance of a sensor based on a seven-core fiber (SCF) spliced at both ends to conventional SMFs, yielding a versatile arrangement for realizing Vernier-based fiber sensors. The SMF–SCF–SMF device can be fabricated using standard splicing procedures and serve as a “building block” for both, reflection and transmission sensing configurations. As demonstrated with our experimental results, the Vernier arrangements can yield a ten-fold increase in sensitivity for temperature measurements compared to a conventional single SMF–SCF–SMF device, thereby confirming the enhanced sensitivity that can be attained with this optical effect. Furthermore, through theoretical analysis, we obtain the relevant parameters that must be optimized in order to achieve an optimal sensitivity for a specific application. Our findings thus provide the necessary guidelines for constructing Vernier-based sensors with all-fiber devices based on highly coupled multicore optical fibers, which constitutes an ideal framework to develop highly sensitive fiber sensors for different applications.Natanael Cuando-EspitiaMiguel A. Fuentes-FuentesAmado Velázquez-BenítezRodrigo AmezcuaJuan Hernández-CorderoDaniel A. May-ArriojaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Natanael Cuando-Espitia Miguel A. Fuentes-Fuentes Amado Velázquez-Benítez Rodrigo Amezcua Juan Hernández-Cordero Daniel A. May-Arrioja Vernier effect using in-line highly coupled multicore fibers
description	Abstract We demonstrate optical fiber sensors based on highly coupled multicore fibers operating with the optical Vernier effect. The sensors are constructed using a simple device incorporating single-mode fibers (SMFs) and a segment of a multicore fiber. In particular, we evaluated the performance of a sensor based on a seven-core fiber (SCF) spliced at both ends to conventional SMFs, yielding a versatile arrangement for realizing Vernier-based fiber sensors. The SMF–SCF–SMF device can be fabricated using standard splicing procedures and serve as a “building block” for both, reflection and transmission sensing configurations. As demonstrated with our experimental results, the Vernier arrangements can yield a ten-fold increase in sensitivity for temperature measurements compared to a conventional single SMF–SCF–SMF device, thereby confirming the enhanced sensitivity that can be attained with this optical effect. Furthermore, through theoretical analysis, we obtain the relevant parameters that must be optimized in order to achieve an optimal sensitivity for a specific application. Our findings thus provide the necessary guidelines for constructing Vernier-based sensors with all-fiber devices based on highly coupled multicore optical fibers, which constitutes an ideal framework to develop highly sensitive fiber sensors for different applications.
format	article
author	Natanael Cuando-Espitia Miguel A. Fuentes-Fuentes Amado Velázquez-Benítez Rodrigo Amezcua Juan Hernández-Cordero Daniel A. May-Arrioja
author_facet	Natanael Cuando-Espitia Miguel A. Fuentes-Fuentes Amado Velázquez-Benítez Rodrigo Amezcua Juan Hernández-Cordero Daniel A. May-Arrioja
author_sort	Natanael Cuando-Espitia
title	Vernier effect using in-line highly coupled multicore fibers
title_short	Vernier effect using in-line highly coupled multicore fibers
title_full	Vernier effect using in-line highly coupled multicore fibers
title_fullStr	Vernier effect using in-line highly coupled multicore fibers
title_full_unstemmed	Vernier effect using in-line highly coupled multicore fibers
title_sort	vernier effect using in-line highly coupled multicore fibers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/bf03b507e75545e793e8bfef787e911c
work_keys_str_mv	AT natanaelcuandoespitia verniereffectusinginlinehighlycoupledmulticorefibers AT miguelafuentesfuentes verniereffectusinginlinehighlycoupledmulticorefibers AT amadovelazquezbenitez verniereffectusinginlinehighlycoupledmulticorefibers AT rodrigoamezcua verniereffectusinginlinehighlycoupledmulticorefibers AT juanhernandezcordero verniereffectusinginlinehighlycoupledmulticorefibers AT danielamayarrioja verniereffectusinginlinehighlycoupledmulticorefibers
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Vernier effect using in-line highly coupled multicore fibers

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