Higher‐Order States in a Non‐Hermitian 3D Topological Photonic Crystal

X Wang, R Gu, Y Li, H Qi, X Hu… - Laser & Photonics …, 2024 - Wiley Online Library
Higher‐order topological insulators hosting topological modes at hinges and corners
provide a new avenue for disorder‐immune light transport, which prospects great potential …

Acoustic higher-order topological states in kagome lattice with split-ring resonators

C Chen, T Chen, W Ding, R Zhang, J Zhu - International Journal of …, 2024 - Elsevier
The next-nearest-neighbour (NNN) hop**s can induce many unique topological
phenomena but are rarely considered in acoustics. This work investigates the higher-order …

Higher-order topological corner state in a reconfigurable breathing kagome lattice consisting of magnetically coupled LC resonators

K Yatsugi, SE Pandarakone, H Iizuka - Scientific Reports, 2023 - nature.com
Higher-order topological insulators are attracting attention from fundamental interest to
fascinating applications, owing to the topological properties with higher-order topological …

Photonic Higher‐Order Topological Insulator with Enlarged Non‐Trivial Bandgaps

Y Zhang, X Dai, Y **ang - Laser & Photonics Reviews, 2023 - Wiley Online Library
The emergence of higher‐order topological insulators (HOTIs) has greatly expanded the
family of topological materials. While the co‐dimensional bulk‐boundary correspondence is …

Observation of topological corner states in a D 4-symmetric square lattice of split-ring resonators

DA Bobylev, DI Tikhonenko, AB Khanikaev… - Applied Physics …, 2023 - pubs.aip.org
Topological states offer an increased versatility in disorder-robust localization of
electromagnetic waves at the edges and corners of photonic structures. In most of the cases …