Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7065
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dc.contributor.authorTurduev, Mirbek-
dc.contributor.authorÖner, Bilgehan Barış-
dc.contributor.authorGiden, İbrahim Halil-
dc.contributor.authorKurt, H.-
dc.date.accessioned2021-09-11T15:45:17Z-
dc.date.available2021-09-11T15:45:17Z-
dc.date.issued2013en_US
dc.identifier.issn0740-3224-
dc.identifier.issn1520-8540-
dc.identifier.urihttps://doi.org/10.1364/JOSAB.30.001569-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7065-
dc.description.abstractWe propose a mode conversion method that enables transformation of the propagating mode from fundamental to higher-order modes by utilizing asymmetric graded index (A-GRIN) structures. Refractive index variations of two different asymmetric gradient profiles, i.e., exponential and Luneburg lens profiles, have been approximated by two-dimensional photonic crystals (PCs). The basic structure is composed of constant radii with different lattice sizes. The designed GRIN mode converters provide relatively high transmission efficiency in the spectral region of interest and achieve the transformation in compact configuration. Numerical approaches utilizing the finite-difference time-domain and plane wave expansion methods are used to analyze the mode conversion phenomenon of proposed GRIN PC media. Analytical formulation based on ray theory is outlined to explore both ray trajectories and the physical concept of a wavefront retardation mechanism. (C) 2013 Optical Society of Americaen_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [110T306]; Turkish Academy of ScienceTurkish Academy of Sciencesen_US
dc.description.sponsorshipThe authors gratefully acknowledge the financial support of the Scientific and Technological Research Council of Turkey (TUBITAK), project 110T306. H. K. also acknowledges the partial support of the Turkish Academy of Science.en_US
dc.language.isoenen_US
dc.publisherOptical Soc Ameren_US
dc.relation.ispartofJournal of The Optical Society of America B-Optical Physicsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keywords]en_US
dc.titleMode transformation using graded photonic crystals with axial asymmetryen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Electrical and Electronics Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.identifier.volume30en_US
dc.identifier.issue6en_US
dc.identifier.startpage1569en_US
dc.identifier.endpage1579en_US
dc.authorid0000-0002-3334-0808-
dc.identifier.wosWOS:000319739100024en_US
dc.identifier.scopus2-s2.0-84878690100en_US
dc.institutionauthorKurt, Hamza-
dc.identifier.doi10.1364/JOSAB.30.001569-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.grantfulltextnone-
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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