Toroidal dipole Fabry–Perot bound states in the continuum metasurfaces for ultrasensitive chiral detection

Chengfeng Li; Tao He; Xiaofeng Rao; Chao Feng; Jingyuan Zhu; Siyu Dong; Zeyong Wei; Hongfei Jiao; Yuzhi Shi; Zhanshan Wang; Xinbin Cheng

doi:10.1364/PRJ.559587

Photonics Research, Volume. 13, Issue 9, 2497(2025)

Toroidal dipole Fabry–Perot bound states in the continuum metasurfaces for ultrasensitive chiral detection

Chengfeng Li^{1,2,3,4,5、†}, Tao He^{1,2,3,4、†}, Xiaofeng Rao^1,2,3,4,5, Chao Feng^1,2,3,4,5, Jingyuan Zhu^1,2,3,4,5, Siyu Dong^1,2,3,4,5, Zeyong Wei^1,2,3,4,5, Hongfei Jiao^1,2,3,4,5, Yuzhi Shi^{1,2,3,4,5,7、*}, Zhanshan Wang^1,2,3,4,5, and Xinbin Cheng^{1,2,3,4,5,8、*}

Author Affiliations

¹Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China

²MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, China

³Shanghai Frontiers Science Center of Digital Optics, Shanghai 200092, China

⁴Shanghai Professional Technical Service Platform for Full-Spectrum and High-Performance Optical Thin Film Devices and Applications, Shanghai 200092, China

⁵Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China

⁷e-mail: yzshi@tongji.edu.cn

⁸e-mail: chengxb@tongji.edu.cn

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Chengfeng Li, Tao He, Xiaofeng Rao, Chao Feng, Jingyuan Zhu, Siyu Dong, Zeyong Wei, Hongfei Jiao, Yuzhi Shi, Zhanshan Wang, Xinbin Cheng, "Toroidal dipole Fabry–Perot bound states in the continuum metasurfaces for ultrasensitive chiral detection," Photonics Res. 13, 2497 (2025)

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Paper Information

Category: Nanophotonics and Photonic Crystals

Received: May. 1, 2025

Accepted: Jun. 28, 2025

Published Online: Aug. 25, 2025

The Author Email: Yuzhi Shi (yzshi@tongji.edu.cn), Xinbin Cheng (chengxb@tongji.edu.cn)

DOI:10.1364/PRJ.559587

CSTR:32188.14.PRJ.559587

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology