Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7491
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dc.contributor.authorUnutmaz, Muhammed Abdullah-
dc.contributor.authorÜnlü, Mehmet-
dc.date.accessioned2021-09-11T15:57:22Z-
dc.date.available2021-09-11T15:57:22Z-
dc.date.issued2021en_US
dc.identifier.issn0733-8724-
dc.identifier.issn1558-2213-
dc.identifier.urihttps://doi.org/10.1109/JLT.2021.3059416-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7491-
dc.description.abstractThe terahertz gap attracted interest of researchers with its captivating properties such as its potential for ultrawideband communication and high-resolution imaging applications, which require robust and efficient terahertz components and circuits. Terahertz spoof surface plasmon polaritons are perfect alternatives to implement terahertz integrated circuits. We present the first-time demonstration of the terahertz spoof surface plasmon polariton delay lines for terahertz phase shifters, which present an unprecedented insertion phase versus loss performance. The electrical lengths of the proposed delay lines are tuned just by changing the corrugation depths, which allows the designer to keep the physical length of the delay lines constant. In order to verify the proposed idea, four different delay lines having the same length of 1052.5 mu m are designed, where the electrical lengths of the delay lines are selected to represent the four different phase states of a 2-bit phase shifter. The measurement results of the fabricated terahertz delay lines show almost perfect phase accuracy and very good agreement with the simulations, having an ultra-low average phase error of 0.6%, and average insertion and return losses of -2.3 and -18 dB, respectively. These measurements result in, to the best of our knowledge, a record-high figure-of-merit of 90 degrees/dB compared to all other kinds of planar waveguides at 0.3 THz. The proposed delay lines emerge as a very high-performance and promising candidate for all the waveguide-based components that are crucial for the terahertz integrated circuits.en_US
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [115E219]; TUBA GEBIPTurkish Academy of Sciencesen_US
dc.description.sponsorshipThis work was financially supported by TUBITAK 115E219 and TUBA GEBIP 2015.en_US
dc.language.isoenen_US
dc.publisherIEEE-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofJournal of Lightwave Technologyen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHafniumen_US
dc.subjectDelay linesen_US
dc.subjectphase shiftersen_US
dc.subjectsingle conductor waveguidesen_US
dc.subjectspoof surface plasmon polaritonsen_US
dc.subjectterahertzen_US
dc.titleSpoof Surface Plasmon Polariton Delay Lines for Terahertz Phase Shiftersen_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.volume39en_US
dc.identifier.issue10en_US
dc.identifier.startpage3187en_US
dc.identifier.endpage3192en_US
dc.authorid0000-0002-6594-0904-
dc.identifier.wosWOS:000648335500020en_US
dc.institutionauthorÜnlü, Mehmet-
dc.identifier.doi10.1109/JLT.2021.3059416-
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
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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