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Photonic topological phase transition with phase-change materials

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Abstract

We propose and demonstrate a way to accomplish photonic topological phase transition by a specially-arranged photonic crystal slab selectively loaded by a phase-change material: Ge2Sb2Te5 (GST) or Ge2Sb2Se4Tei (GSST), which enables reconfigurably tunable edge modes.

© 2020 The Author(s)

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