Gap-edge asymptotics of defect modes in two-dimensional photonic crystals

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dc.contributor.author Dossou, Kokou en_US
dc.contributor.author Mcphedran, Ross en_US
dc.contributor.author Botten, Lindsay en_US
dc.contributor.author Asatryan, Ara en_US
dc.contributor.author De Sterke, C en_US
dc.date.accessioned 2009-11-12T05:28:28Z
dc.date.available 2009-11-12T05:28:28Z
dc.date.issued 2007 en_US
dc.identifier 2006011464 en_US
dc.identifier.citation Dossou Kokou et al. 2007, 'Gap-edge asymptotics of defect modes in two-dimensional photonic crystals', Optical Soc Amer, vol. 15, no. 8, pp. 4753-4762. en_US
dc.identifier.issn 1094-4087 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/3269
dc.description.abstract We consider defect modes created in complete gaps of 2D photonic crystals by perturbing the dielectric constant in some region. We study their evolution from a band edge with increasing perturbation using an asymptotic method that approximates the Green function by its dominant componenet wich is associated with the bulk mode at the band edge. From this, we derive a simple exponential law which links the frequency difference between the defect mode andthe band edge to the relative change in the electric energy. We rpesent numerical results which deminstrate the accuracy of the exponential law, for TE and TM polarizations, hexagonal and square arrays and in each of the first and second band gaps. en_US
dc.publisher Optical Soc Amer en_US
dc.relation.isbasedon http://dx.doi.org/10.1364/OE.15.004753 en_US
dc.rights This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website:http://dx.doi.org/10.1364/OE.15.004753. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law."
dc.subject Photonic crystals. en
dc.title Gap-edge asymptotics of defect modes in two-dimensional photonic crystals en_US
dc.parent Optics Express en_US
dc.journal.volume 15 en_US
dc.journal.number 8 en_US
dc.publocation Washington DC, USA en_US
dc.identifier.startpage 4753 en_US
dc.identifier.endpage 4762 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 020500 en_US
dc.personcode 040396 en_US
dc.personcode 100021 en_US
dc.personcode 780055 en_US
dc.personcode 010655 en_US
dc.personcode 0000018208 en_US
dc.percentage 100 en_US
dc.classification.name Optical Physics en_US
dc.classification.type FOR-08 en_US
dc.description.keywords N/A en_US


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