3 papers
physics.optics2025
Vectorial microlasers with designable topological charges based on Möbius-like correspondence in quasi-BICs
Xinhao Wang, Zhaochen Wu, Jiajun Wang +2
The ability to control topological properties of laser emission represents a fundamental advancement in photonic technology. Achieving topological laser in a single compact photoni…
physics.optics2025
Meron Spin Textures in Momentum Space Spawning from Bound States in the Continuum
Lixi Rao, Jiajun Wang, Xinhao Wang +7
Topological spin textures, such as merons and skyrmions, have shown significance in both fundamental science and practical applications across diverse physical systems. The optical…
physics.optics2024
Topological Singularities in Metasurface Scattering Matrices: From Nodal Lines to Exceptional Lines
Jingguang Chen, Wenzhe Liu, Jiajun Wang +6
Topological properties of photonic structures described by Hamiltonian matrices have been extensively studied in recent years. Photonic systems are often open systems, and their co…