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Topological micro-/nano-structures for tailoring light

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【Author】 Jian Wang;Kang Li;Hang Chen;Jiayu Xiao;Lin Chen;Jinwei Zeng;Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology;Hubei Optical Fundamental Research Center;Optics Valley Laboratory;

【通讯作者】曾进炜;

【机构】 Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology； Hubei Optical Fundamental Research Center； Optics Valley Laboratory；

【摘要】 The rapid advancement of topological photonics has opened up a promising frontier for manipulating optical fields. Among various emerging strategies, topological micro-/nano-structures have garnered growing interest, offering enhanced robustness to photonic devices and providing a compact platform for tailoring multiple physical dimensions of optical fields.In this paper, we summarize recent advances in topological micro-/nano-structures for tailoring light. We begin with an introduction to the fundamental concepts of topology, topological photonics, topological micro-/nano-structures, and multidimensional photonics. We then highlight representative works, including gain/loss structures based on the exceptional points, on-chip topological array waveguides, boundary state waveguides, valley photonic crystal waveguides, and micro-/nano-scale devices based on bound states in the continuum. Finally, we discuss future challenges and opportunities in light field manipulation using topological micro-/nano-structures.更多还原

【Abstract】 The rapid advancement of topological photonics has opened up a promising frontier for manipulating optical fields. Among various emerging strategies, topological micro-/nano-structures have garnered growing interest, offering enhanced robustness to photonic devices and providing a compact platform for tailoring multiple physical dimensions of optical fields.In this paper, we summarize recent advances in topological micro-/nano-structures for tailoring light. We begin with an introduction to the fundamental concepts of topology, topological photonics, topological micro-/nano-structures, and multidimensional photonics. We then highlight representative works, including gain/loss structures based on the exceptional points, on-chip topological array waveguides, boundary state waveguides, valley photonic crystal waveguides, and micro-/nano-scale devices based on bound states in the continuum. Finally, we discuss future challenges and opportunities in light field manipulation using topological micro-/nano-structures.更多还原

【关键词】 topological photonics； micro-/nano-structures； tailoring light； non-Hermitian； exceptional point； bound states in the continuum；
【Key words】 topological photonics； micro-/nano-structures； tailoring light； non-Hermitian； exceptional point； bound states in the continuum；

【基金】 This work was supported by the National Natural Science Foundation of China (Nos. 62125503 and 62261160388);the Natural Science Foundation of Hubei Province of China (No. 2023AFA028);the Technology Innovation Program of Hubei Province (Major Science and Technology Project) (No. 2024BAA001);the Hubei Optical Fundamental Research Center (No. HBO2025TQ004);the High Quality Development Special Project of the Ministry of Industry and Information Technology;the China Association for Science and Technology Youth Talent Support Engineering Doctoral Program

【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2025年10期

【分类号】O43
【下载频次】7

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