Topological photonic crystals: physics, designs, and applications

GJ Tang, XT He, FL Shi, JW Liu… - Laser & Photonics …, 2022 - Wiley Online Library
Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

Robustness of topological corner modes in photonic crystals

M Proctor, PA Huidobro, B Bradlyn, MB De Paz… - Physical Review …, 2020 - APS
We analyze the robustness of corner modes in topological photonic crystals, taking a C 6-
symmetric breathing honeycomb photonic crystal as an example. First, we employ …

Dual-polarization two-dimensional valley photonic crystals

XT He, JW Liu, FL Shi, K Shen, WJ Chen… - Science China Physics …, 2022 - Springer
The recent realization of valley physics in photonic systems has enriched the topological
phases of light with protected edge modes and shown applications in designing high …

Higher-order topological states in two-dimensional Stampfli-Triangle photonic crystals

Y Peng, E Liu, B Yan, J Xie, A Shi, P Peng, H Li, J Liu - Optics Letters, 2022 - opg.optica.org
In this Letter, the higher-order topological state (HOTS) and its mechanism in two-
dimensional Stampfli-Triangle (2D ST) photonic crystals (PhCs) is explored. The topological …

Ideal nodal rings of one-dimensional photonic crystals in the visible region

WM Deng, ZM Chen, MY Li, CH Guo, ZT Tian… - Light: Science & …, 2022 - nature.com
Abstract Three-dimensional (3D) artificial metacrystals host rich topological phases, such as
Weyl points, nodal rings, and 3D photonic topological insulators. These topological states …

Exact higher-order bulk-boundary correspondence of corner-localized states

M Jung, Y Yu, G Shvets - Physical Review B, 2021 - APS
We demonstrate that the presence of a localized state at the corner of an insulating domain
is not always a predictor nor a direct consequence of a certain nontrivial higher-order …

Frequency dependent wave routing based on dual-band valley-Hall topological photonic crystal

GC Wei, ZZ Liu, DS Zhang, JJ Xiao - New Journal of Physics, 2021 - iopscience.iop.org
Previous studies on the propagation direction of valley topological edge states mainly focus
on the matching between orbital angular momentum of the excitation source and specific …

Optical topological lattices of Bloch-type skyrmion and meron topologies

Q Zhang, Z Xie, P Shi, H Yang, H He, L Du… - Photonics …, 2022 - opg.optica.org
Optical skyrmions, quasiparticles that are characterized by the topologically nontrivial
vectorial textures of optical parameters such as the electromagnetic field, Stokes …

Pair-partitioned bulk localized states induced by topological band inversion

P Peng, E Liu, B Yan, Y Peng, A Shi, J Xie, H Li… - Applied Physics …, 2022 - pubs.aip.org
Photonic topological insulators have recently received widespread attention mainly due to
their ability to provide directions in the development of photonic integration platforms. The …

Improved performance of temperature sensors based on the one-dimensional topological photonic crystals comprising hyperbolic metamaterials

HA Elsayed, AG Mohamed, AM El-Sherbeeny… - Scientific Reports, 2024 - nature.com
This paper seeks to progress the field of topological photonic crystals (TPC) as a promising
tool in face of construction flaws. In particular, the structure can be used as a novel …