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Polarization of Magnetoplasmons in Grating Metamaterials Based on CdTe/CdMgTe Quantum Wells

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cris.lastimport.scopus2024-02-12T20:28:29Z
dc.abstract.enGrating metamaterials were fabricated with electron beam lithography on CdTe/CdMgTe modulation doped structures with two non-interacting quantum wells. Two types of samples were studied: with etched gratings and with gratings formed by deposition of Au stripes. The polarization properties at THz frequencies of the gratings were determined at room temperature. It was shown that Au gratings formed a linear polarizer, while etched gratings did not polarize THz radiation. Transmission of circularly polarized THz radiation at low temperatures through a sample with no grating showed a strongly circularly polarized cyclotron resonance transition. Transmission of this radiation through a sample with an etched grating showed a magnetoplasmon transition that was almost perfectly linearly polarized. We concluded that magnetoplasmons in metamaterials with etched gratings are linearly polarized excitations, possibly with a small contribution of a circular component. This work opens the possibility of the detailed study of the polarization of magnetoplasmons, which has not been explored in the past.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorBożek, Rafał
dc.contributor.authorWróbel, Jerzy
dc.contributor.authorSzoła, Maria
dc.contributor.authorKarczewski, Grzegorz
dc.contributor.authorYavorskiy, Dmitriy
dc.contributor.authorWojtowicz, Tomasz
dc.contributor.authorKarpierz, Krzysztof
dc.contributor.authorŁusakowski, Jerzy
dc.contributor.authorRudniewski, Rafał
dc.date.accessioned2024-01-25T17:00:42Z
dc.date.available2024-01-25T17:00:42Z
dc.date.copyright2020-04-11
dc.date.issued2020
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number8
dc.description.versionFINAL_PUBLISHED
dc.description.volume13
dc.identifier.doi10.3390/MA13081811
dc.identifier.issn1996-1944
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/116237
dc.identifier.weblinkhttps://www.mdpi.com/1996-1944/13/8/1811/pdf
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofMaterials
dc.relation.pages1811-1-11
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enTHz spectroscopy
dc.subject.enmetamaterials
dc.subject.enpolarization
dc.subject.enmagnetoplasmons
dc.titlePolarization of Magnetoplasmons in Grating Metamaterials Based on CdTe/CdMgTe Quantum Wells
dc.typeJournalArticle
dspace.entity.typePublication