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physics.optics2026
Experimental Demonstration of Chiral Bound States in the Continuum Enabled by Time-reversal Symmetry Breaking
Hao-Chang Mo, Wen-Jin Zhang, Ze-Yu Wu +3
Bound states in the continuum (BICs) provide a powerful route to optical resonances with vanishing radiation loss and enhanced light-matter interactions. Of particular interest are…
physics.optics2026
Photonic half-semimetals with dual semimetal-insulator topology
Zi-Xuan Gao, Xiaohan Cui, Xiao-Dong Chen +6
Topological wave systems have largely evolved along two distinct paradigms: gapless topological semimetals and gapped topological insulators. While topological semimetals support b…
physics.optics2026
Dirac-vortex modes beyond the continuum limit
Jiayu Fan, Jiusi Yu, Aoning Luo +7
Dirac-vortex modes (DVMs) in Kekule-modulated lattices provide a topological route to wave confinement and are commonly described by the continuum Jackiw-Rossi model, in which the…