Twin-core fiber sensor integrated in laser cavity

Amorebieta Herrero, Josu; Pereira, Joao; Durana Apaolaza, Gaizka; Franciscangelis, Carolina; Ortega Gómez, Ángel; Zubia Zaballa, Joseba Andoni; Villatoro Bernardo, Agustín Joel; Margulis, Walter

dc.contributor.author	Amorebieta Herrero, Josu
dc.contributor.author	Pereira, Joao
dc.contributor.author	Durana Apaolaza, Gaizka
dc.contributor.author	Franciscangelis, Carolina
dc.contributor.author	Ortega Gómez, Ángel
dc.contributor.author	Zubia Zaballa, Joseba Andoni
dc.contributor.author	Villatoro Bernardo, Agustín Joel
dc.contributor.author	Margulis, Walter
dc.date.accessioned	2022-10-21T13:10:44Z
dc.date.available	2022-10-21T13:10:44Z
dc.date.issued	2022
dc.identifier.citation	Scientific Reports 12 : (2022) // Article ID 11797	es_ES
dc.identifier.issn	2045-2322
dc.identifier.uri	http://hdl.handle.net/10810/58149
dc.description.abstract	In this work, we report on a twin-core fiber sensor system that provides improved spectral efficiency, allows for multiplexing and gives low level of crosstalk. Pieces of the referred strongly coupled multicore fiber are used as sensors in a laser cavity incorporating a pulsed semiconductor optical amplifier (SOA). Each sensor has its unique cavity length and can be addressed individually by electrically matching the periodic gating of the SOA to the sensor's cavity roundtrip time. The interrogator acts as a laser and provides a narrow spectrum with high signal-to-noise ratio. Furthermore, it allows distinguishing the response of individual sensors even in the case of overlapping spectra. Potentially, the number of interrogated sensors can be increased significantly, which is an appealing feature for multipoint sensing.	es_ES
dc.description.sponsorship	This work was supported in part by the European Regional Development Fund, in part by the Ministerio de Economia y Competitividad under projects TEC2015-638263-C03-1-R and PGC2018-101997-B-I00, in part by Ministerio de Ciencia e Innovacion: under projects PID2021-122505OB-C31 and TED2021-129959B-C21, in part by the Gobierno Vasco/Eusko Jaurlaritza under projects IT1452-22 and ELKARTEK (KK 2021/00082 and KK 2021/00092), in part by the Swedish Science Council, Office of Naval Research Global (Award N62909-20-12033) and in part by Vinnova Innovair: Forskningsprojekt inom flygteknik (D.N. 2020-00187). The work of Josu Amorebieta is funded by a PhD fellowship from the University of the Basque Country UPV/EHU. The authors would like to thank Kenny Hey Tow, Erik Zetterlund and Fredrik Laurell for useful discussions and support.	es_ES
dc.language.iso	eng	es_ES
dc.publisher	Nature	es_ES
dc.relation	info:eu-repo/grantAgreement/MINECO/TEC2015-638263-C03-1-R	es_ES
dc.relation	info:eu-repo/grantAgreement/MICIU/PGC2018-101997-B-I00	es_ES
dc.relation	info:eu-repo/grantAgreement/MICINN/PID2021-122505OB-C31	es_ES
dc.relation	info:eu-repo/grantAgreement/MICINN/TED2021-129959B-C21	es_ES
dc.rights	info:eu-repo/semantics/openAccess	es_ES
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/es/	*
dc.subject	coupled mode theory	es_ES
dc.subject	time division	es_ES
dc.subject	technology	es_ES
dc.subject	networks	es_ES
dc.subject	system	es_ES
dc.title	Twin-core fiber sensor integrated in laser cavity	es_ES
dc.type	info:eu-repo/semantics/article	es_ES
dc.rights.holder	© The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http:// creativecommons. org/ licenses/ by/4. 0/.	es_ES
dc.rights.holder	Atribución 3.0 España	*
dc.relation.publisherversion	https://www.nature.com/articles/s41598-022-16103-8	es_ES
dc.identifier.doi	10.1038/s41598-022-16103-8
dc.departamentoes	Ingeniería de comunicaciones	es_ES
dc.departamentoeu	Komunikazioen ingeniaritza	es_ES

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© The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International
License, which permits use, sharing, adaptation, distribution and reproduction in any medium or
format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the
Creative Commons licence, and indicate if changes were made. The images or other third party material in this
article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the
material. If material is not included in the article’s Creative Commons licence and your intended use is not
permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from
the copyright holder. To view a copy of this licence, visit http:// creativecommons. org/ licenses/ by/4. 0/.

Except where otherwise noted, this item's license is described as © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http:// creativecommons. org/ licenses/ by/4. 0/.