Topological manipulation for advancing nanophotonics

MS Hwang, HR Kim, HG Park - npj Nanophotonics, 2024 - nature.com
Topological deformations from the hosting lattice have been applied to nanophotonics for
the implementation of quantized topological states. This manipulation enables topological …

Observation of topologically enhanced third harmonic generation in doubly resonant nonlinear topolectrical circuits

W Hu, B Ruan, W Lin, C Liu, X Dai, S Wen… - Communications …, 2024 - nature.com
The ability to confine and guide wave makes topological physics a promising platform for
large local field enhancement and strong scattering immunity, which enables efficient …

Topological bulk solitons in a nonlinear photonic Chern insulator

R Li, X Kong, D Hang, G Li, H Hu, H Zhou, Y Jia… - Communications …, 2022 - nature.com
Nonlinearities in lattices with topological band structures can induce topological interfaces in
the bulk of structures and give rise to bulk solitons in the topological bandgaps. Here we …

Nonlinear corner states in a topologically nontrivial kagome lattice

K Prabith, G Theocharis, R Chaunsali - Physical Review B, 2024 - APS
We investigate a higher-order topological insulator (HOTI) under strong nonlinearity,
focusing on the existence and stability of high-amplitude corner states, which can find …

[HTML][HTML] Pivot bearings for efficient torsional magneto-mechanical resonators

C Li, A Kanj, J **g, G Bahl, S Tawfick - Mechanical Systems and Signal …, 2025 - Elsevier
Rotating magnets are suitable for producing ultra-low frequency signals for through-earth
and through-seawater communications. Magneto-mechanical resonator (MMR) arrays …

An Adaptive Driving Circuit for Magneto-Mechanical Transmitters

J **g, G Bahl - Authorea Preprints, 2024 - techrxiv.org
Magneto-mechanical transmitters (MMTs) are of active interest for ultra-low-frequency (ULF)
communication, as they can significantly reduce the power consumption and size …

An Adaptive Driving Circuit for Rotational Magneto-Mechanical Systems

J **g, G Bahl - Authorea Preprints - techrxiv.org
The mechanical motion of permanent magnets is crucial in applications such as motors,
wireless power transfer, communication systems, and biomedical devices. These systems …