BACKGROUND Singularities are critical points for which the behavior of a mathematical
model governing a physical system is of a fundamentally different nature compared to the …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Topological systems are inherently robust to disorder and continuous perturbations,
resulting in dissipation-free edge transport of electrons in quantum solids, or reflectionless …

Photonic topological insulators enable topological boundary modes that are resilient to
defects and disorder, irrespective of manufacturing precision. This property is known as …

Topological photonics has attracted increasing attention in recent years due to the unique
opportunities it provides to manipulate light in a robust way immune to disorder and defects …

Backscattering suppression in silicon-on-insulator (SOI) is one of the central issues to
reduce energy loss and signal distortion, enabling for capability improvement of modern …

The development of terahertz integrated circuits is vital for realizing sixth-generation (6G)
wireless communication, high-speed on-chip interconnects, high-resolution imaging, on …

Topological photonics has revolutionized our understanding of light propagation, providing
a robust way to manipulate light. So far, most of studies in this field are focused on designing …

Topological phases of matter have attracted significant attention in recent years, due to the
unusual robustness of their response to defects and disorder. Various research efforts have …

Topological photonics has emerged as a promising field in photonics that is able to shape
the science and technology of light. As a significant degree of freedom, valley is introduced …