Multifaceted anapole: from physics to applications

R Masoudian Saadabad, L Huang… - Optical Materials …, 2022 - opg.optica.org
The optical anapole state resulting from interference of the electric and toroidal moments is
of much interest due to its nonradiating nature. Interference of optical modes supported by a …

Observation of resilient propagation and free-space skyrmions in toroidal electromagnetic pulses

R Wang, PY Bao, ZQ Hu, S Shi, BZ Wang… - Applied Physics …, 2024 - pubs.aip.org
Toroidal electromagnetic pulses have been recently reported as nontransverse, space-time
nonseparable topological excitations of free space. However, their propagation dynamics …

Manipulation of scattering spectra with topology of light and matter

H Barati Sedeh, DG Pires, N Chandra… - Laser & Photonics …, 2023 - Wiley Online Library
Structured lights, including beams carrying spin and orbital angular momenta, radially and
azimuthally polarized vector beams, as well as spatiotemporal optical vortices, have …

Highly-sensitive sensor based on toroidal dipole governed by bound state in the continuum in dielectric non-coaxial core-shell cylinder

Y Huo, X Zhang, M Yan, K Sun, S Jiang, T Ning… - Optics …, 2022 - opg.optica.org
The electromagnetic fields distributed on the surface region of the nanostructure is very
important to improve the performance of the sensor. Here, we proposed a highly sensitive …

Tuning the magnetic toroidal dipole response in dielectric metasurfaces

X Wang, D Chen, W Ma, S You, M Zhou, L Wang… - JOSA B, 2023 - opg.optica.org
A toroidal dipole is a fundamental electromagnetic excitation independent of electric and
magnetic dipoles. At present, a great deal of attention has been paid to the characteristics …

Anapole states and transverse displacement sensing based on the interaction between cylindrical vector beams and Au core-Si shell nanodisks

Z Zhang, Z Zhu - Optics Express, 2024 - opg.optica.org
Precise optical control at the nanoscale is crucial for advancing photonic devices and
sensing technologies. Herein, we theoretically introduce what we believe to be a novel …

Engineered pseudo and hybrid anapole states<? TeX\break?> in a silicon nanoresonator metasurface

M Pradhan, S Sharma, S Bhaktha BN… - Journal of the Optical …, 2023 - opg.optica.org
Significant attention has been devoted to realizing non-radiating states (popularly known as
anapole states) in several systems due to the strong localization of electromagnetic fields …

Deterministic Excitation of Polarization‐Sensitive Extrinsic Anapole State in Si Nanodisk Clusters

C Ma, F Zhou, P Huang, M Li, F Zhao, Z Feng, Y Liu… - Small, 2022 - Wiley Online Library
Nanoparticle clusters provide new degrees of freedom for light control due to their mutual
interaction compared with an individual one. Here, the authors demonstrate theoretically …

Enhanced spontaneous radiation of quantum dots based on modulated anapole states in dielectric metamaterial

J Xiong, J Wang, X Liu, H Zhang, Q Wang, J Sun… - Optics …, 2024 - opg.optica.org
Dielectric nanostructures exhibit low-loss electrical and magnetic resonance, making them
ideal for quantum information processing. In this study, the periodic double-groove silicon …

Controlled light scattering of a single nanoparticle by wave-front shaping

P Hong, WL Vos - Physical Review A, 2022 - APS
Controlling light scattering by nanoparticles is fundamentally important for the understanding
and the control of light with photonic nanostructures, as well as for nanoparticle scattering …