Journal
OPTICS EXPRESS
Volume 26, Issue 10, Pages 12891-12902Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.26.012891
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Funding
- National Key Research Program of China [2016YFA0301101]
- National Natural Science Foundation of China (NSFC) [11674247, 61621001, 11504236, 11474220]
- Natural Science Foundation of Shanghai [18ZR1442900, 17ZR1443800]
- Fundamental Research Funds for the Central Universities
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One of the fascinating topological phenomena is the edge state in one-dimensional system. In this work, the topological photonics in the dieter chains composed by the split ring resonators are revealed based on the Su-Schrieffer-Heeger model. The topologically protected photonic edge state is observed directly with the in situ measurements of the local density of states in the topological nontrivial chain. Moreover, we experimentally demonstrate that the edge state localized at both ends is robust against a varied of perturbations, such as losses and disorder. Our results not only provide a versatile platform to study the topological physics in photonics but also may have potential applications in the robust power transfer. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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