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Special scattering regimes for conical all-dielectric nanoparticles
Alexey V Kuznetsov1,2,3, Adrià Canós Valero4,5, Hadi K Shamkhi4,6
1Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny, Russia, 141700. alexey.kuznetsov98@gmail.com.
Scientific Reports
|December 19, 2022
Summary
All-dielectric nanophotonics using truncated cones achieves novel scattering regimes like Kerker and anapole effects. This symmetry breaking simplifies photonic device fabrication and enhances light-matter interactions.
Area of Science:
- Photonics and Nanotechnology
- Materials Science
Background:
- All-dielectric nanophotonics utilizes semiconductor and dielectric nanoresonators for unique optical phenomena.
- Simultaneous electric and magnetic responses in visible light enable applications in nano-optics, biology, and sensing.
Purpose of the Study:
- Investigate fabrication-friendly truncated cone resonators.
- Achieve novel scattering regimes through inherent symmetry breaking.
Main Methods:
- Utilized truncated cone resonators with broken symmetry along the main axis.
- Explored inherent optical properties without complex geometries or structured beams.
Main Results:
- Demonstrated generalized and transverse Kerker effects.
- Achieved a non-scattering hybrid anapole regime with near-full scattering suppression.
- Observed superscattering regimes.
Conclusions:
- Symmetry breaking in cones simplifies the manufacturing of diverse photonic devices.
- Conicity offers additional degrees of freedom for tailoring nanoscale light-matter interactions.
