Reduction of Bragg grating-induced coupling to cladding modes

dc.creatorBerendt, MO
dc.creatorBjarklev, A
dc.creatorGruner-Nielsen, L
dc.creatorSoccolich, CE
dc.date1999
dc.date2014-12-02T16:24:36Z
dc.date2015-11-26T16:30:51Z
dc.date2014-12-02T16:24:36Z
dc.date2015-11-26T16:30:51Z
dc.date.accessioned2018-03-28T23:11:55Z
dc.date.available2018-03-28T23:11:55Z
dc.identifierFiber And Integrated Optics. Taylor & Francis Ltd, v. 18, n. 4, n. 255, n. 272, 1999.
dc.identifier0146-8030
dc.identifierWOS:000082801800004
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/80330
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/80330
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/80330
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1270068
dc.descriptionWe discuss fiber designs that have been suggested for the reduction of Bragg-grating induced coupling to cladding modes. The discussion is based on a theoretical approach that includes the effect of asymmetry in the W-induced index grating made by UV-side writing. Experimental results from gratings in a depressed-cladding fiber are compared with simulations. The model gives good agreement with the measured transmission spectrum and accounts for the pronounced coupling to asymmetrical cladding modes, even when the grating is written with smallest possible blaze. The asymmetry causing this is accounted for by the unavoidable attenuation of the UV light. It is found for the considered fiber designs that a high numerical-aperture fiber increases the spectral separation between the Bragg resonance and the onset of cladding-mode losses. A depressed-cladding fiber reduces the coupling strength to the lower order cladding modes, and the W-sensitive cladding design reduces the cladding-mode coupling loss. The analysis suggests that the UV-sensitive cladding design is the most effective in reducing the cladding-mode-coupling losses.
dc.description18
dc.description4
dc.description255
dc.description272
dc.languageen
dc.publisherTaylor & Francis Ltd
dc.publisherLondon
dc.publisherInglaterra
dc.relationFiber And Integrated Optics
dc.relationFiber Integrated Opt.
dc.rightsfechado
dc.rightshttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dc.sourceWeb of Science
dc.subjectcladding modes
dc.subjectfiber Bragg gratings
dc.subjectUV writing
dc.subjectFiber Phase Gratings
dc.subjectOptical Fibers
dc.subjectMask
dc.subjectAbsorption
dc.subjectExposure
dc.subjectWritten
dc.subjectLosses
dc.titleReduction of Bragg grating-induced coupling to cladding modes
dc.typeArtículos de revistas


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