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Collective lattice resonances in disordered and quasi-random all-dielectric metasurfaces
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology.
Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660041, Russia.;Siberian State Univ Sci & Technol, Krasnoyarsk 660014, Russia.;RAS, KSC SB, Fed Res Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Theoretical Chemistry and Biology.ORCID iD: 0000-0002-1763-9383
Univ Rochester, Inst Opt, 601 Elmwood Ave, Rochester, NY 14627 USA..ORCID iD: 0000-0002-7956-1702
2019 (English)In: Journal of the Optical Society of America. B, Optical physics, ISSN 0740-3224, E-ISSN 1520-8540, Vol. 36, no 7, p. E21-E29Article in journal (Refereed) Published
Abstract [en]

Collective lattice resonances in disordered 2D arrays of spherical Si nanoparticles (NPs) have been thoroughly studied within the framework of the coupled dipole approximation. Three types of defects have been analyzed: positional disorder, size disorder, and quasi-random disorder. We show that the positional disorder strongly suppresses either the electric dipole (ED) or the magnetic dipole (MD) coupling, depending on the axis along which the NPs are shifted. Contrarily, size disorder strongly affects only the MD response, while the ED resonance can be almost intact, depending on the lattice configuration. Finally, random removing of NPs from an ordered 2D lattice reveals a quite surprising result: hybridization of the ED and MD resonances with lattice modes remains observable even in the case of random removing of up to 84% of the NPs from the ordered array. The reported results could be important for rational design and utilization of metasurfaces, solar cells, and other alldielectric photonic devices. 

Place, publisher, year, edition, pages
OPTICAL SOC AMER , 2019. Vol. 36, no 7, p. E21-E29
National Category
Condensed Matter Physics
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URN: urn:nbn:se:kth:diva-255429DOI: 10.1364/JOSAB.36.000E21ISI: 000473321200004Scopus ID: 2-s2.0-85069600603OAI: oai:DiVA.org:kth-255429DiVA, id: diva2:1343134
Note

QC 20190815

Available from: 2019-08-15 Created: 2019-08-15 Last updated: 2019-08-15Bibliographically approved

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Zakomirnyi, VadimÅgren, HansRasskazov, Ilia L.
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