Direct extraction of topological Zak phase with the synthetic dimension
Measuring topological invariants is an essential task in characterizing topological phases of
matter. They are usually obtained from the number of edge states due to the bulk-edge …
matter. They are usually obtained from the number of edge states due to the bulk-edge …
Phase‐Engineering Strategy for Multidimensional Light Steering in a Photonic Higher‐Order Topological Insulator
S Jia, R Huang, J Hu, Y Jiang, H Huang… - Laser & Photonics …, 2023 - Wiley Online Library
Higher‐order topological (HOT) insulators have been extensively studied for their unique
multidimensional boundary states such as hinge states and corner states. However, most of …
multidimensional boundary states such as hinge states and corner states. However, most of …
Dual-polarization valley-like transport in dielectric photonic crystals
HX Shao, T Sang, GF Yang, BX Wang, LL Zhang… - Optics …, 2024 - Elsevier
Valley photonic crystal (VPC) waveguides possess strong immunity to backward scattering
and robust transmission, originating from topologically protected edge states. Here, we …
and robust transmission, originating from topologically protected edge states. Here, we …
Sum and difference frequency generation in a valley-photonic-crystal-like topological system
Y Tang, JL Li, C Li, JF Wu - Optics Express, 2024 - opg.optica.org
Nonlinear sum frequency generation (SFG) and difference frequency generation (DFG) are
fundamental methods to obtain new light sources for various applications. However, most of …
fundamental methods to obtain new light sources for various applications. However, most of …