Double-zero-index media expand uniform topological states beyond native interfaces in a 2D photonic Su-Schrieffer-Heeger lattice, breaking conventional bulk-edge correspondence as demonstrated by simulations and microwave experiments.
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Free Extension of Topological States via Double-zero-index Media
Double-zero-index media expand uniform topological states beyond native interfaces in a 2D photonic Su-Schrieffer-Heeger lattice, breaking conventional bulk-edge correspondence as demonstrated by simulations and microwave experiments.