Special scattering regimes for conical all-dielectric nanoparticles

Abstract All-dielectric nanophotonics opens a venue for a variety of novel phenomena and scattering regimes driven by unique optical effects in semiconductor and dielectric nanoresonators. Their peculiar optical signatures enabled by simultaneous electric and magnetic responses in the visible range...

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Main Authors: Alexey V. Kuznetsov, Adrià Canós Valero, Hadi K. Shamkhi, Pavel Terekhov, Xingjie Ni, Vjaceslavs Bobrovs, Mikhail V. Rybin, Alexander S. Shalin
Format: Article
Language:English
Published: Nature Portfolio 2022-12-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-25542-2
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author Alexey V. Kuznetsov
Adrià Canós Valero
Hadi K. Shamkhi
Pavel Terekhov
Xingjie Ni
Vjaceslavs Bobrovs
Mikhail V. Rybin
Alexander S. Shalin
author_facet Alexey V. Kuznetsov
Adrià Canós Valero
Hadi K. Shamkhi
Pavel Terekhov
Xingjie Ni
Vjaceslavs Bobrovs
Mikhail V. Rybin
Alexander S. Shalin
author_sort Alexey V. Kuznetsov
collection DOAJ
description Abstract All-dielectric nanophotonics opens a venue for a variety of novel phenomena and scattering regimes driven by unique optical effects in semiconductor and dielectric nanoresonators. Their peculiar optical signatures enabled by simultaneous electric and magnetic responses in the visible range pave a way for a plenty of new applications in nano-optics, biology, sensing, etc. In this work, we investigate fabrication-friendly truncated cone resonators and achieve several important scattering regimes due to the inherent property of cones—broken symmetry along the main axis without involving complex geometries or structured beams. We show this symmetry breaking to deliver various kinds of Kerker effects (generalized and transverse Kerker effects), non-scattering hybrid anapole regime (simultaneous anapole conditions for all the multipoles in a particle leading to the nearly full scattering suppression) and, vice versa, superscattering regime. Being governed by the same straightforward geometrical paradigm, discussed effects could greatly simplify the manufacturing process of photonic devices with different functionalities. Moreover, the additional degrees of freedom driven by the conicity open new horizons to tailor light-matter interactions at the nanoscale.
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spelling doaj.art-d67ea70cf10a40a893c52a86f1e61d132022-12-25T12:10:20ZengNature PortfolioScientific Reports2045-23222022-12-0112111910.1038/s41598-022-25542-2Special scattering regimes for conical all-dielectric nanoparticlesAlexey V. Kuznetsov0Adrià Canós Valero1Hadi K. Shamkhi2Pavel Terekhov3Xingjie Ni4Vjaceslavs Bobrovs5Mikhail V. Rybin6Alexander S. Shalin7Center for Photonics and 2D Materials, Moscow Institute of Physics and TechnologyFaculty of Physics, ITMO UniversityFaculty of Physics, ITMO UniversityDepartment of Electrical Engineering, The Pennsylvania State UniversityDepartment of Electrical Engineering, The Pennsylvania State UniversityInstitute of Telecommunications, Riga Technical UniversityFaculty of Physics, ITMO UniversityCenter for Photonics and 2D Materials, Moscow Institute of Physics and TechnologyAbstract All-dielectric nanophotonics opens a venue for a variety of novel phenomena and scattering regimes driven by unique optical effects in semiconductor and dielectric nanoresonators. Their peculiar optical signatures enabled by simultaneous electric and magnetic responses in the visible range pave a way for a plenty of new applications in nano-optics, biology, sensing, etc. In this work, we investigate fabrication-friendly truncated cone resonators and achieve several important scattering regimes due to the inherent property of cones—broken symmetry along the main axis without involving complex geometries or structured beams. We show this symmetry breaking to deliver various kinds of Kerker effects (generalized and transverse Kerker effects), non-scattering hybrid anapole regime (simultaneous anapole conditions for all the multipoles in a particle leading to the nearly full scattering suppression) and, vice versa, superscattering regime. Being governed by the same straightforward geometrical paradigm, discussed effects could greatly simplify the manufacturing process of photonic devices with different functionalities. Moreover, the additional degrees of freedom driven by the conicity open new horizons to tailor light-matter interactions at the nanoscale.https://doi.org/10.1038/s41598-022-25542-2
spellingShingle Alexey V. Kuznetsov
Adrià Canós Valero
Hadi K. Shamkhi
Pavel Terekhov
Xingjie Ni
Vjaceslavs Bobrovs
Mikhail V. Rybin
Alexander S. Shalin
Special scattering regimes for conical all-dielectric nanoparticles
Scientific Reports
title Special scattering regimes for conical all-dielectric nanoparticles
title_full Special scattering regimes for conical all-dielectric nanoparticles
title_fullStr Special scattering regimes for conical all-dielectric nanoparticles
title_full_unstemmed Special scattering regimes for conical all-dielectric nanoparticles
title_short Special scattering regimes for conical all-dielectric nanoparticles
title_sort special scattering regimes for conical all dielectric nanoparticles
url https://doi.org/10.1038/s41598-022-25542-2
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