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https://hdl.handle.net/20.500.11851/7078
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kurt, Hamza | - |
dc.contributor.author | Öner, Bilgehan Barış | - |
dc.contributor.author | Turduev, Mirbek | - |
dc.contributor.author | Giden, İbrahim Halil | - |
dc.date.accessioned | 2021-09-11T15:45:23Z | - |
dc.date.available | 2021-09-11T15:45:23Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.uri | https://doi.org/10.1364/OE.20.022018 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.11851/7078 | - |
dc.description.abstract | We present a novel design of two dimensional graded index medium that provides coupling of light with high coupling efficiency between two planar dielectric waveguides of different widths (15.46 mu m vs. 2.21 mu m). Poor light coupling performance of butt-coupler can be mitigated by implementing tapered coupler at the expense of long coupler section. In order to reduce coupling losses, a new coupling device approach based on graded index (GRIN) concept is proposed. The refractive index distribution is in the form of modified version of the Maxwell fish-eye lens. The inhomogeneous refractive index distribution is approximated by photonic crystals (PCs) such that the positions of each PC rods are appropriately arranged. Strong electric field focusing ability of the designed GRIN PC medium provides relatively high coupling efficiency that is around 90%. Spectral region corresponding to coupling efficiency over 75% has a bandwidth of Delta omega = 18.56% (284 nm). Finally, we discuss the durability of the proposed coupler against the lateral displacement and angular misalignment of output waveguides. (C) 2012 Optical Society of America | en_US |
dc.description.sponsorship | Scientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [110T306]; Turkish Academy of Sciences (TUBA GEBIP)Turkish Academy of Sciences | en_US |
dc.description.sponsorship | The authors gratefully acknowledge the financial support of the Scientific and Technological Research Council of Turkey (TUBITAK), project 110T306. H. K. also acknowledges partial support from the Turkish Academy of Sciences Distinguished Young Scientist Award (TUBA GEBIP). | en_US |
dc.language.iso | en | en_US |
dc.publisher | Optical Soc Amer | en_US |
dc.relation.ispartof | Optics Express | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | [No Keywords] | en_US |
dc.title | Modified Maxwell Fish-Eye Approach for Efficient Coupler Design by Graded Photonic Crystals | en_US |
dc.type | Article | en_US |
dc.department | Faculties, Faculty of Engineering, Department of Electrical and Electronics Engineering | en_US |
dc.department | Fakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü | tr_TR |
dc.identifier.volume | 20 | en_US |
dc.identifier.issue | 20 | en_US |
dc.identifier.startpage | 22018 | en_US |
dc.identifier.endpage | 22033 | en_US |
dc.authorid | 0000-0002-3334-0808 | - |
dc.identifier.wos | WOS:000309522400020 | en_US |
dc.identifier.scopus | 2-s2.0-84866695811 | en_US |
dc.institutionauthor | Kurt, Hamza | - |
dc.identifier.pmid | 23037352 | en_US |
dc.identifier.doi | 10.1364/OE.20.022018 | - |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.scopusquality | Q1 | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.grantfulltext | none | - |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
crisitem.author.dept | 02.5. Department of Electrical and Electronics Engineering | - |
Appears in Collections: | Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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