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dc.contributor.authorHayran, Zeki-
dc.contributor.authorHerrero, Ramon-
dc.contributor.authorBotey, Muriel-
dc.contributor.authorKurt, Hamza-
dc.contributor.authorStaliunas, Kestutis-
dc.identifier.citation19th International Conference on Transparent Optical Networks (ICTON) -- JUL 02-06, 2017 -- Girona, SPAINen_US
dc.description.abstractSince the advent of transformation optics a decade ago [1], the ability to achieve optical cloaking has become a matter of practical realization. However, so far extreme material requirements and large device areas have significantly posed an obstacle to realize compact cloaking schemes that are fully functional. Here, by taking a different approach and by following our recently developed general theorem to control the scattering behaviour of an arbitrary object on a specific demand [2], we show that nearly perfect bidirectional optical cloaking effect can be generated for any type of object with a given shape and size. Contrary to previous approaches, we reveal that such a method is always able to produce local refractive indices larger than one and that neither gain nor lossy materials are required. Furthermore, by means of numerical calculations, we demonstrate a highly tunable broad operational bandwidth of 550 nm (covering 650-1200 nm interval) and an angular aperture of 36 degrees for both directions and polarizations. With these unprecedented features, we expect that the present work will hold a great potential to enable a new class of optical cloaking structures that will find applications particularly in communication systems, defence industry and in other related fields.en_US
dc.description.sponsorshipIEEE, IEEE Photon Soc, FYLA, OptoSigma, LIGHT TEC, Ajuntament Girona, AE Techen_US
dc.description.sponsorshipNATO SPSNATO (North Atlantic Treaty Organisation) [985048]; Turkish Academy of ScienceTurkish Academy of Sciencesen_US
dc.description.sponsorshipAuthors acknowledge financial support of NATO SPS research grant No: 985048. H.K. also acknowledges partial support of the Turkish Academy of Science.en_US
dc.relation.ispartof2017 19Th International Conference On Transparent Optical Networks (Icton)en_US
dc.subjectscattering theoryen_US
dc.subjectoptical cloakingen_US
dc.subjectscattering cancellationen_US
dc.subjectgraded-index opticsen_US
dc.titlePolarization-Independent Broadband Bidirectional Optical Cloaking Using a New Type of Inverse Scattering Approachen_US
dc.typeConference Objecten_US
dc.relation.ispartofseriesInternational Conference on Transparent Optical Networks-ICTONen_US
dc.departmentFaculties, Faculty of Engineering, Department of Electrical and Electronics Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.institutionauthorKurt, Hamza-
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.relation.conference19th International Conference on Transparent Optical Networks (ICTON)en_US
item.fulltextNo Fulltext-
item.openairetypeConference Object- Department of Electrical and Electronics Engineering-
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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