Improvement of the Temperature Stability of the Erbium-Doped Superfluorescent Fiber Source by Tuning the Reflectivity of the Fiber End

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dc.contributor.authorSkalský, Michalcs
dc.contributor.authorHnidka, Jakubcs
dc.contributor.authorHavránek, Zdeněkcs
dc.coverage.issue6cs
dc.coverage.volume41cs
dc.date.accessioned2023-02-09T07:53:20Z
dc.date.available2023-02-09T07:53:20Z
dc.date.issued2023-03-15cs
dc.description.abstractA novel and simple way of improving the mean wavelength temperature stability of the erbium-doped superfluorescent source is described and demonstrated. We show that by introducing small reflectivity feedback at the unpumped fiber end in the backward-pump superfluorescent source configuration, we can affect an overall temperature dependency of the mean wavelength of the output spectrum. The reflectivity adjustment can be made by an angled fiber cleave, varying the reflectivity between 0 to 4 %, or by a fusion arc, allowing its finer adjustment. With this approach, we were able to arbitrarily adjust the mean wavelength temperature trend from -4.38 to 5.23 ppm/ C. Furthermore, an optimal reflectivity was attained, providing almost zero trend and reducing the total mean wavelength variation to 130 ppm over the temperature range of -40 to +100 C, which is a 5.7-fold and 4.4-fold improvement compared to 0 and a standard 8 fiber cleave angle, respectively. By avoiding any filtering components, a wide bandwidth of 37.8 nm and a power efficiency of 22% was reached. Since the proposed configuration does not include any extra components compared to the basic backward-pump configuration, it can be a viable solution for cost-efficient applications, such as, e.g., medium-grade fiber-optic gyroscopes. A benefit for these gyroscopes is the tunability of the source wavelength temperature dependency which can conveniently compensate the gyro coil temperature sensitivity.en
dc.formattextcs
dc.format.extent1843-1850cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJOURNAL OF LIGHTWAVE TECHNOLOGY. 2023, vol. 41, issue 6, p. 1843-1850.en
dc.identifier.doi10.1109/JLT.2022.3226206cs
dc.identifier.issn1558-2213cs
dc.identifier.other180640cs
dc.identifier.urihttp://hdl.handle.net/11012/209120
dc.language.isoencs
dc.publisherIEEEcs
dc.relation"European Union (EU)" & "Horizon 2020"
dc.relation.ispartofJOURNAL OF LIGHTWAVE TECHNOLOGYcs
dc.relation.projectIdinfo:eu-repo/grantAgreement/EC/H2020/857306/EU//RICAIP
dc.relation.projectIdinfo:eu-repo/grantAgreement/EC/H2020/826653/EU//NewControl
dc.relation.urihttps://ieeexplore.ieee.org/document/9968288cs
dc.rights(C) IEEEcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1558-2213/cs
dc.subjectEr-doped superfluorescent sourceen
dc.subjectfiber-optic gyroscopeen
dc.subjecttemperature stabilityen
dc.subjectcleave angleen
dc.subjectreflectivityen
dc.subjectdoublepassen
dc.titleImprovement of the Temperature Stability of the Erbium-Doped Superfluorescent Fiber Source by Tuning the Reflectivity of the Fiber Enden
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionacceptedVersionen
sync.item.dbidVAV-180640en
sync.item.dbtypeVAVen
sync.item.insts2023.05.22 20:55:48en
sync.item.modts2023.05.22 20:15:02en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Kybernetika a robotikacs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav automatizace a měřicí technikycs
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