Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

Originating from the studies of two-dimensional condensed-matter states, the concept of
topological order has recently been expanded to other fields of physics and engineering …

INTRODUCTION Topological insulators emerged in condensed matter physics and
constitute a new phase of matter, with insulating bulk and robust edge conductance that is …

Photonic topological insulators offer the possibility to eliminate backscattering losses and
improve the efficiency of optical communication systems. Despite considerable efforts, a …

Topology describes properties that remain unaffected by smooth distortions. Its main
hallmark is the emergence of edge states localized at the boundary between regions …

Topological physics provides a robust framework for strategically controlling wave
confinement and propagation dynamics. However, current implementations have been …

The spin Hall effect (SHE) of light, as an analogue of the SHE in electronic systems, is a
promising candidate for investigating the SHE in semiconductor spintronics/valleytronics …

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

The discovery of topological photonic states has revolutionized our understanding of
electromagnetic propagation and scattering. Endowed with topological robustness, photonic …

Recent experimental developments in diverse areas—ranging from cold atomic gases to
light-driven semiconductors to microcavity arrays—move systems into the focus which are …