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Topological Photonic Crystals
A novel family of photonic crystals with chiral symmetric and tight‐binding‐like band structures is proposed by embedding metallic rods among dielectric rods, confining the slowly decaying Mie‐resonance modes. The conventional entangled bands at high frequencies are now disentangled. This work (see article number 2300543 by Peng Zhan, Minghui Lu, Biye Xie, and co‐workers)...
Topological phases based on tight‐binding models have been extensively studied in recent decades. By mimicking the linear combination of atomic orbitals in tight‐binding models based on the evanescent couplings between resonators in classical waves, numerous experimental demonstrations of topological phases have been successfully conducted. However, in dielectric photonic crystals, the Mie resonances'...
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