Symmetry-protected third-order exceptional points in staggered flatband rhombic lattices

Yingying Zhang; Shiqiang Xia; Xingdong Zhao; Lu Qin; Xuejing Feng; Wenrong Qi; Yajing Jiang; Hai Lu; Daohong Song; Liqin Tang; Zunlue Zhu; Wuming Liu; Yufang Liu

doi:10.1364/PRJ.478167

Photonics Research, Volume. 11, Issue 2, 225(2023)

Symmetry-protected third-order exceptional points in staggered flatband rhombic lattices

Yingying Zhang^1、†, Shiqiang Xia^1、†,*, Xingdong Zhao^1,5, Lu Qin¹, Xuejing Feng¹, Wenrong Qi¹, Yajing Jiang¹, Hai Lu¹, Daohong Song², Liqin Tang^2,6, Zunlue Zhu^1,7, Wuming Liu³, and Yufang Liu^1,4

Author Affiliations

¹School of Physics, Henan Normal University, Xinxiang 453007, China

²MOE Key Laboratory of Weak-Light Nonlinear Photonics, TEDA Applied Physics Institute and School of Physics, Nankai University, Tianjin 300457, China

³Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

⁴Institute of Physics, Henan Academy of Sciences, Zhengzhou 450046, China

⁵e-mail: phyzhxd@gmail.com

⁶e-mail: tanya@nankai.edu.cn

⁷e-mail: zl-zhu@htu.edu.cn

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Yingying Zhang, Shiqiang Xia, Xingdong Zhao, Lu Qin, Xuejing Feng, Wenrong Qi, Yajing Jiang, Hai Lu, Daohong Song, Liqin Tang, Zunlue Zhu, Wuming Liu, Yufang Liu, "Symmetry-protected third-order exceptional points in staggered flatband rhombic lattices," Photonics Res. 11, 225 (2023)

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Paper Information

Category: Physical Optics

Received: Oct. 14, 2022

Accepted: Nov. 14, 2022

Published Online: Feb. 8, 2023

The Author Email: Shiqiang Xia (xiashiqiang@htu.edu.cn)

DOI:10.1364/PRJ.478167

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology