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Collective lattice resonances in disordered and quasi-random all-dielectric metasurfaces / V. I. Zakomirnyi [et al.] // J. Opt. Soc. Am. B. - 2019. - Vol. 36, Is. 7. - P. E21-E29, DOI 10.1364/JOSAB.36.000E21. - Cited References: 91. - Russian Foundation for Basic Research (RFBR) (18-42-240013); Russian Science Foundation (RSF) (18-13-00363); Siberian Federal University (SibFU) (3.8896.2017). . - ISSN 0740-3224. - ISSN 1520-8540

РУБ Optics
Рубрики:
PLASMON RESONANCES
   NANOPARTICLE ARRAY
   MODES
   GOLD
   NANOPHOTONICS
Аннотация: 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. (C) 2019 Optical Society of America

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Держатели документа:
Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Dept Theoret Chem & Biol, SE-10691 Stockholm, Sweden.
FMBA Russia, Fed Siberian Res Clin Ctr, Krasnoyarsk 660037, Russia.
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.
Univ Rochester, Inst Opt, 601 Elmwood Ave, Rochester, NY 14627 USA.

Доп.точки доступа:
Zakomirnyi, Vadim, I; Karpov, S. V.; Карпов, Сергей Васильевич; Agren, Hans; Rasskazov, Ilia L.; Russian Foundation for Basic Research (RFBR) [18-42-240013]; Russian Science Foundation (RSF) [18-13-00363]; Siberian Federal University (SibFU) [3.8896.2017]
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