Efficient and short-range light coupling to indexmatched liquid-filled hole in a solid-core photonic crystal fiber

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dc.contributor.authorGerosa R.M.
dc.contributor.authorSpadoti D.H.
dc.contributor.authorDe Matos C.J.S.
dc.contributor.authorDe S. Menezes L.
dc.contributor.authorFranco M.A.R.
dc.date.accessioned2024-03-13T01:10:04Z
dc.date.available2024-03-13T01:10:04Z
dc.date.issued2011
dc.description.abstractA photonic crystal fiber (PCF) with a section of one of the holes next to the solid core filled with an index-matched liquid is studied. Liquid filling alters the core geometry, which locally comprises the original silica core, the liquid channel and the silica around it. It is demonstrated that when light reaches the filled section, it periodically and efficiently couples to the liquid, via the excitation of a number of modes of the composite core, with coupling lengths ranging from tens to hundreds of microns. The resulting modal-interference-modulated spectrum shows temperature sensitivity as high as 5.35 nm/°C. The proposed waveguide geometry presents itself as an interesting way to pump and/or to probe liquid media within the fiber, combining advantages usually found separately in liquid-filled hollow-core PCFs (high light-liquid overlap) and in solid-core PCFs (low insertion losses). Therefore, pumping and luminescence guiding with a PCF filled with a Rhodamine solution is also demonstrated. © 2011 Optical Society of America.
dc.description.firstpage24687
dc.description.issuenumber24
dc.description.lastpage24698
dc.description.volume19
dc.identifier.doi10.1364/OE.19.024687
dc.identifier.issn1094-4087
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/36921
dc.relation.ispartofOptics Express
dc.rightsAcesso Aberto
dc.titleEfficient and short-range light coupling to indexmatched liquid-filled hole in a solid-core photonic crystal fiber
dc.typeArtigo
local.scopus.citations32
local.scopus.eid2-s2.0-82055186683
local.scopus.subjectComposite core
local.scopus.subjectCoupling length
local.scopus.subjectHollow-core
local.scopus.subjectLight couplings
local.scopus.subjectLiquid channels
local.scopus.subjectLow insertion loss
local.scopus.subjectProbe liquid
local.scopus.subjectSilica cores
local.scopus.subjectSolid core
local.scopus.subjectTemperature sensitivity
local.scopus.subjectWaveguide geometry
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=82055186683&origin=inward
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