Demonstration of corner states in photonic square-root higher-order topological insulators

被引：0
|
作者：
Yan, Wenchao [1 ,2 ]
Xia, Shiqi [1 ,2 ]
Lite, Xiuying [1 ,2 ]
Xie, Yuqing [1 ,2 ]
Tang, Liqin [1 ,2 ,3 ]
Song, Daohong [1 ,2 ,3 ]
Xu, Jingjun [1 ,2 ,3 ]
Chen, Zhigang [1 ,2 ,3 ,4 ]
机构：
[1] Nankai Univ, TEDA Appl Phys Inst, MOE Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China
[2] Nankai Univ, Sch Phys, Tianjin 300457, Peoples R China
[3] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
[4] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA
来源：
2021 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) | 2021年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We experimentally demonstrate the square-root higher-order topological insulators, unveiling two kinds of corner states that reside in different band gaps of a photonic super-honeycomb lattice established with photorefractive cw-laser-writing. (C) 2021 The Author(s)
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页数：2
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