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Topological lattices lit at the corners


Higher-order topological states that are robust against certain classes of disorder and pinned to lattice corners are now observed in photonics platforms.

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Fig. 1: Topologically protected edge and corner states.


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Correspondence to Şahin K. Özdemir or Ramy El-Ganainy.

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Özdemir, Ş.K., El-Ganainy, R. Topological lattices lit at the corners. Nat. Photonics 13, 660–662 (2019).

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