Topological network modes in a twisted moiré phononic crystal

D Yao, L Ye, Z Fu, Q Wang, H He, J Lu, W Deng… - Physical Review Letters, 2024 - APS
Twisted moiré materials, a new class of layered structures with different twist angles for
neighboring layers, are attracting great attention because of the rich intriguing physical …

Topological Valley Photonic Waveguides: Scattering matrix evaluation for linear computing

C Johnson-Richards, A Yakovlev… - arxiv preprint arxiv …, 2024 - arxiv.org
Topological boundary modes utilizing valley mode waveguides have opened opportunities
in, for instance, the design of high transmission waveguides with tolerance to geometrical …

[HTML][HTML] Frequency-selective valley-edge transmission and channeling in phononic-crystal plates with dual topological modulations

JC Hsu, CH Wei, CT Huang - Journal of Applied Physics, 2024 - pubs.aip.org
In this numerical study, we propose dual-modulated topological pillared phononic crystal
(PnC) plates and demonstrate their application in achieving frequency-selective …

Observation of a two-dimensional topological metal in acoustic metamaterials

Z Cui, X Zhang, M Peng, Q Wei, M Yan… - Applied Physics …, 2025 - pubs.aip.org
A two-dimensional topological metal with anti-helical-like edge states has been predicted
recently but has not been confirmed experimentally. In this paper, we report an experimental …

Equal Power Splitting in a 6-Port Valley Photonic Crystal Junction

C Johnson-Richards, A Yakovlev… - 2024 4th URSI …, 2024 - ieeexplore.ieee.org
Topological photonics offer unique opportunities to design robust backscattering
suppressed photonic circuits in a small footprint. In this work our recent efforts in realizing a …