231 citations · 532 across the 15 of their papers we have counts for
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Significant enhancement of magneto-optical effect in one-dimensional photonic crystals with magnetized epsilon-near-zero defect
Zhiwei Guo, Feng Wu, Chunhua Xue +4
Nonreciprocal (NOR) transmission with magneto-optical materials plays a critical role in a broad range of applications, such as optical isolation, all-optical signal processing, an…
Actively controlling the topological transition of dispersion based on electrically controllable metamaterials
Zhiwei Guo, Haitao Jiang, Yong Sun +2
Topological transition of the iso-frequency contour (IFC) from a closed ellipsoid to an open hyperboloid, will provide unique capabilities for controlling the propagation of light.…
Simultaneous Observation of Topological Edge State and Exceptional Point in an Open and Non-Hermitian System
Weiwei Zhu, Xinsheng Fang, Dongting Li +4
This paper reports on the experimental observation of topologically protected edge state and exceptional point in an open and Non-Hermitian system. While the theoretical underpinni…
Loss revives bistable state near the exceptional point in a non-Hermitian microwave photonic meta-molecule
Kejia Zhu, Yong Sun, Jie Ren +1
By exploring the extraordinary property of exceptional points (EPs) in non-Hermitian systems, we here demonstrate that losses can play constructive roles in controlling bistable st…
Zak phase and band inversion in dimerized one-dimensional locally resonant metamaterials
Weiwei Zhu, Ya-qiong Ding, Jie Ren +4
Zak phase, which refers to the Berry's phase picked up by a particle moving across the Brillouin zone, characterizes the topological properties of Bloch bands in one-dimensional pe…
Experimental demonstration of the robust end state in a split-ring-resonator chain
Jun Jiang, Zhiwei Guo, Ya-qiong Ding +4
One of the fascinating topological phenomena is the end state in one dimensional system. In this work, the topological photonics in the dimer chains composed by the split ring reso…
Generating electromagnetic modes with fine tunable orbital angular momentum by planar topological circuits
Yuan Li, Yong Sun, Weiwei Zhu +5
Metamaterials made of periodic arrangements of electric permittivity and magnetic permeability and arrays of resonators can provide optic properties unexperienced in conventional m…