Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/91279
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dc.contributorPhotonics Research Centre-
dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorZhao, Z-
dc.creatorWu, H-
dc.creatorHu, J-
dc.creatorZhu, K-
dc.creatorDang, Y-
dc.creatorYan, Y-
dc.creatorTang, M-
dc.creatorLu, C-
dc.date.accessioned2021-11-02T08:21:58Z-
dc.date.available2021-11-02T08:21:58Z-
dc.identifier.urihttp://hdl.handle.net/10397/91279-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://www.osapublishing.org/library/license_v1.cfm#VOR-OA)en_US
dc.rightsJournal © 2021en_US
dc.rights© 2021 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.en_US
dc.rightsThe following publication Zhao, Z., Wu, H., Hu, J., Zhu, K., Dang, Y., Yan, Y., ... & Lu, C. (2021). Interference fading suppression in φ-OTDR using space-division multiplexed probes. Optics Express, 29(10), 15452-15462 is available at https://doi.org/10.1364/OE.422608en_US
dc.titleInterference fading suppression in φ-OTDR using space-division multiplexed probesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage15452-
dc.identifier.epage15462-
dc.identifier.volume29-
dc.identifier.issue10-
dc.identifier.doi10.1364/OE.422608-
dcterms.abstractWe propose and experimentally demonstrate a novel interference fading suppression method for phase-sensitive optical time domain reflectometry (φ-OTDR) using space-division multiplexed (SDM) pulse probes in a few-mode fiber. The SDM probes consist of multiple different modes, and three spatial modes (LP01, LP11a, and LP11b) are used in this work for the proof of concept. Firstly, the Rayleigh backscattering light of different modes is experimentally characterized, and it turns out that the waveforms of the φ-OTDR traces for distinct modes are all different and independent. Thanks to the spatial difference of the fading positions for distinct modes, multiple probes from spatially multiplexed modes can be used to suppress the interference fading in φ-OTDR. Then, the performances of the φ-OTDR systems using a single probe and multiple probes are evaluated and compared. Specifically, the statistical analysis shows that the fading probabilities over both the fiber length and the time scale are reduced significantly by using multiple SDM probes, which verifies the significant performance improvement on fading suppression. By introducing the concept of SDM to φ-OTDR, the proposed novel interference fading suppression method avoids the complicated frequency or phase modulation, which has the advantages of simplicity, good effectiveness and high reliability.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics express, 10 May 2021, v. 29, no. 10, p. 15452-15462-
dcterms.isPartOfOptics express-
dcterms.issued2021-05-
dc.identifier.scopus2-s2.0-85105680585-
dc.identifier.pmid33985245-
dc.identifier.eissn1094-4087-
dc.description.validate202110 bcvc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_Scopus/WOSen_US
dc.description.pubStatusPublisheden_US
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