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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…
Inherent spin-orbit locking in topological bound state in the continuum lasing
Jiajun Wang, Xinhao Wang, Zhaochen Wu +5
Bound states in the continuum (BICs) are exotic optical topological singularities that defy the typical radiation within the continuum of radiative modes and carry topological pola…
Spin-Orbit-Locking Chiral Bound States in the Continuum
Xingqi Zhao, Jiajun Wang, Wenzhe Liu +5
Bound states in the continuum (BICs), which are confined optical modes exhibiting infinite quality factors and carrying topological polarization configurations in momentum space, h…