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physics.optics2026
Unified Topological Dynamics of Merging Bound States in the Continuum for High-Order Topological Charges
Keren Wang, Lujun Huang, Wei Wang
Bound states in the continuum (BICs) are polarization singularities in momentum space whose topological charges (TCs) govern advanced light-matter interactions. While lattice symme…
physics.optics2024
Degenerate merging BICs in resonant metasurfaces
Yixiao Gao, Junyang Ge, Zhaofeng Gu +3
Resonant metasurfaces driven by bound states in the continuum (BIC) offer an intriguing approach to engineer high-Q resonances. Merging multiple BICs in the momentum space could fu…