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Degenerate band edges in optical fiber with multiple grating: efficient coupling to slow light

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dc.contributor.authorGutman, Nadav
dc.contributor.authorBotten, Lindsay
dc.contributor.authorSukhorukov, Andrey
dc.contributor.authorde Sterke, C. Martijn
dc.date.accessioned2016-03-08T02:27:26Z
dc.date.available2016-03-08T02:27:26Z
dc.date.issued2011-08-15
dc.date.updated2016-06-14T08:35:32Z
dc.description.abstractDegenerate band edges (DBEs) of a photonic bandgap have the form (ω − ωD) ∝ k2m for integers m > 1, with ωD the frequency at the band edge. We show theoretically that DBEs lead to efficient coupling into slow-light modes without a transition region, and that the field strength in the slow mode can far exceed that in the incoming medium. A method is proposed to create a DBE of arbitrary order m by coupling m optical modes with multiple superimposed gratings. The enhanced coupling near a DBE occurs because of the presence of one or more evanescent modes, which are absent at conventional quadratic band edges. We furthermore show that the coupling can be increased or suppressed by varying the number of excited evanescent waves.
dc.description.sponsorshipThis work was supported by the Australian Research Council.en_AU
dc.format3 pages
dc.identifier.issn0146-9592en_AU
dc.identifier.urihttp://hdl.handle.net/1885/100189
dc.publisherOptical Society of America
dc.rights© 2011 Optical Society of America
dc.sourceOptics Letters
dc.subjectdegenerate band edges (DBEs)
dc.subjectphotonic
dc.subjectbandgap
dc.subjectfield
dc.subjectstrength
dc.subjectcoupling
dc.subjectevanescent
dc.subjectwaves
dc.titleDegenerate band edges in optical fiber with multiple grating: efficient coupling to slow light
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
dcterms.dateAccepted2011-07-08
local.bibliographicCitation.issue16en_AU
local.bibliographicCitation.lastpage3259en_AU
local.bibliographicCitation.startpage3257en_AU
local.contributor.affiliationGutman, Nadav, University of Sydney, Australiaen_AU
local.contributor.affiliationBotten, Lindsay C, University of Technology Sydney, Australiaen_AU
local.contributor.affiliationSukhorukov, Andrey, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National Universityen_AU
local.contributor.affiliationMartijn de Sterke, C, University of Sydney, Australiaen_AU
local.contributor.authoruidu9810122en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020501en_AU
local.identifier.absseo970102en_AU
local.identifier.ariespublicationf5625xPUB211en_AU
local.identifier.citationvolume36en_AU
local.identifier.doi10.1364/OL.36.003257en_AU
local.identifier.essn1539-4794en_AU
local.identifier.scopusID2-s2.0-80051779189
local.publisher.urlhttp://www.osa.org/en-us/home/en_AU
local.type.statusPublished Versionen_AU

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