Experimental photonic waveguide array on Sierpiński-gasket fractal lattice supports robust corner states induced by geometry alone, mapped to effective breathing Kagome model with C3 topology.
Scheme for Achieving a Topological Photonic Crys- tal by Using Dielectric Material
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Fractality-induced photonic topological insulators
Experimental photonic waveguide array on Sierpiński-gasket fractal lattice supports robust corner states induced by geometry alone, mapped to effective breathing Kagome model with C3 topology.