Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7001
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dc.contributor.authorKurt, Hamza-
dc.date.accessioned2021-09-11T15:44:48Z-
dc.date.available2021-09-11T15:44:48Z-
dc.date.issued2011en_US
dc.identifier.issn1559-128X-
dc.identifier.issn2155-3165-
dc.identifier.urihttps://doi.org/10.1364/AO.50.005256-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7001-
dc.description.abstractThe usual near-field radiation profile of a light beam emanating from a photonic crystal waveguide (PCW) has a main lobe at the center line of the waveguide. However, a centrally symmetric profile for the emission pattern with two sidelobes can be required in some applications, e.g., Y-type power dividers, wavelength multiplexers, and semiconductor lasers. With such motivations in mind, we present the design of a compact structure that deflects the beam propagation direction in this manner. The idea utilizes the manipulation of the dispersion diagram of cascaded photonic crystals by exploiting the bandgap and self-collimation properties. The waveguide mode in the PCW can be transformed from a propagating mode into a diffusive one by altering the filling factor, which, in turn, leads to off-axis light emission. By using the finite-difference time-domain method, we show that the emission takes place into free space at the inclined output surfaces of the PCW with deviation angles of +/- 45 degrees. (C) 2011 Optical Society of Americaen_US
dc.description.sponsorshipTechnological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [110T306]; Turkish Academy of Sciences (TUBA GEBIP)Turkish Academy of Sciencesen_US
dc.description.sponsorshipThe author gratefully acknowledges the financial support of the Technological Research Council of Turkey (TUBITAK) under project no. 110T306. H. Kurt also acknowledges support from the Turkish Academy of Sciences Distinguished Young Scientist Award (TUBA GEBIP).en_US
dc.language.isoenen_US
dc.publisherOptical Soc Ameren_US
dc.relation.ispartofApplied Opticsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keywords]en_US
dc.titleManipulating wavelength-selective emission with heterogeneous photonic crystalsen_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.volume50en_US
dc.identifier.issue27en_US
dc.identifier.startpage5256en_US
dc.identifier.endpage5262en_US
dc.identifier.wosWOS:000295028000006en_US
dc.identifier.scopus2-s2.0-80052998420en_US
dc.institutionauthorKurt, Hamza-
dc.identifier.pmid21947043en_US
dc.identifier.doi10.1364/AO.50.005256-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.5. 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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