There are two prominent applications of the mathematical concept of topology to the physics
of materials: band topology, which classifies different topological insulators and semimetals …

Light and sound are the most ubiquitous forms of waves, associated with a variety of
phenomena and physical effects such as rainbows and echoes. Light and sound, both …

Control over light propagation and localization in photonic crystals offers wide applications
ranging from sensing and on-chip routing to lasing and quantum light–matter interfaces …

In recent years, topological photonics inspired by electric topological insulators has
promoted extensive research on robust electromagnetic (EM) wave manipulation and new …

Perfect vortex (PV) beams exhibiting topological charge-insensitive annular intensity
distribution appear as a striking hotspot for significant advances in optical communication …

Metasurfaces are engineered structures that offer an unprecedented nanoscale solution for
precisely manipulating light's magnitude, phase, and polarization, exhibiting the potential to …

Topological defects are of fundamental interest to wide branches of physics. Exploiting the
structural evolutions and behaviors of topological defects across the phase transition is vital …

Gauge field is widely studied in natural and artificial materials. With an effective magnetic
field for uncharged particles, many intriguing phenomena are observed in several systems …

As hypothetical topological defects in the geometry of spacetime, vortex strings could have
played many roles in cosmology, and their distinct features can provide observable clues …

摘要近年来随着拓扑光子学的快速发展, 具有鲁棒性的拓扑光学模式为微纳光子学领域提供了
全新的设计自由度, 并推动了新型光子器件如光波导, 分束器, 隔离器和谐振腔等的发展 …