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Octupole corner state in a three-dimensional topological circuit.

Shuo Liu1,2, Shaojie Ma1,2, Qian Zhang3

  • 1Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, 518060 Shenzhen, China.

Light, Science & Applications
|September 1, 2020
PubMed
Summary

Researchers experimentally observed three-dimensional octupole corner modes in an electrical circuit, a new type of higher-order topological insulator (HOTI) state. This finding opens avenues for exploring complex topological phenomena in novel material platforms.

Keywords:
MetamaterialsPhotonic devices

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