Revisiting substrate-induced bianisotropy in metasurfaces

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Albooyeh, Mohammad Alaee, Rasoul Rockstuhl, Carsten Simovski, Constantin 2018-08-08T09:59:42Z 2018-08-08T09:59:42Z 2015
dc.identifier.citation Albooyeh , M , Alaee , R , Rockstuhl , C & Simovski , C 2015 , ' Revisiting substrate-induced bianisotropy in metasurfaces ' PHYSICAL REVIEW B , vol 91 , no. 19 , 195304 , pp. 1-11 . DOI: 10.1103/PhysRevB.91.195304 en
dc.identifier.issn 1098-0121
dc.identifier.issn 1550-235X
dc.identifier.other PURE UUID: 020fc076-57ee-4c67-ab3b-b11c8f27f63f
dc.identifier.other PURE ITEMURL:
dc.identifier.other PURE LINK:
dc.identifier.other PURE FILEURL:
dc.description.abstract Recently, it has been shown that a metasurface of plasmonic nanospheres deposited on a highly refractive substrate requires a bianisotropic magnetoelectric coupling for its effective description. The effect has been coined substrate-induced bianisotropy. It leads to an asymmetric reflectance similar to bianisotropic metasurfaces. In this work, through a circuit model, we show that such bianisotropy does not necessarily emerge for all substrated metasurfaces. Indeed, we show that the thickness of the metasurface plays a crucial role to encounter substrate-induced bianisotropy. Moreover, by taking advantage of substrate-induced bianisotropy, we present the necessary conditions for the circuit model parameters to compensate the asymmetric reflectance generated by an intrinsically bianisotropic metasurface. We finally express that, in substrated metasurfaces, the asymmetric reflectance and the bianisotropic response are two separate issues albeit with interdependencies. en
dc.format.extent 1-11
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries PHYSICAL REVIEW B en
dc.relation.ispartofseries Volume 91, issue 19 en
dc.rights openAccess en
dc.subject.other 213 Electronic, automation and communications engineering, electronics en
dc.subject.other 114 Physical sciences en
dc.subject.other 115 Astronomy and space science en
dc.subject.other 1171 Geosciences en
dc.subject.other 216 Materials engineering en
dc.subject.other 221 Nanotechnology en
dc.title Revisiting substrate-induced bianisotropy in metasurfaces en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Kostantin Simovski Group
dc.contributor.department Department of Radio Science and Engineering en
dc.subject.keyword 213 Electronic, automation and communications engineering, electronics
dc.subject.keyword 114 Physical sciences
dc.subject.keyword 115 Astronomy and space science
dc.subject.keyword 1171 Geosciences
dc.subject.keyword 216 Materials engineering
dc.subject.keyword 221 Nanotechnology
dc.identifier.urn URN:NBN:fi:aalto-201808084439
dc.identifier.doi 10.1103/PhysRevB.91.195304
dc.type.version publishedVersion

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