231 citations · 532 across the 15 of their papers we have counts for
15 papers
Omnidirectional nonreciprocal absorber realized by the magneto-optical hypercrystal
Shengyu Hu, Juan Song, Zhiwei Guo +6
Photonic bandgap design is one of the most basic ways to effectively control the interaction between light and matter. However, the traditional photonic bandgap is always dispersiv…
Significant enhancement of magnetic shielding effect by using the composite metamaterial composed of mu-near-zero media and ferrite
Xu Chen, Yuqian Wang, Zhiwei Guo +5
The magnetic shield plays an important role in magnetic near-field control. However, the requirements of efficient, ultrathin, lightweight and cheap are still the challenges. Here,…
Synthetic high-order PT symmetry in a single coil resonator
Chao Zeng, Zhiwei Guo, Yong Sun +7
The exploration of non-Hermitian systems with parity-time (PT) symmetry has witnessed immense research interest both fundamentally and technologically in a wide range of subject ar…
Experimental demonstration of an anomalous Floquet topological insulator based on negative-index media
Zhiwei Guo, Yong Sun, Haitao Jiang +4
Photonic and acoustic topological insulators exhibiting one-way transportation that is robust against defects and impurities are typically realized in coupled arrays of two-dimensi…
Experimental Realization of Near-Field Photonic Routing with All-Electric Metasources
Yang Long, Jie Ren, Zhiwei Guo +4
The spatially confined evanescent microwave photonics have been proved to be highly desirable in broad practical scenarios ranging from robust information communications to efficie…
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…
Unidirectional zero reflection as gauged parity-time symmetry
James Gear, Yong Sun, Shiyi Xiao +5
We introduce here the concept of establishing Parity-time symmetry through a gauge transformation involving a shift of the mirror plane for the Parity operation. The corresponding…
Simulation of Zitterbewegung by modelling the Dirac equation in Metamaterials
Sven Ahrens, Jun Jiang, Yong Sun +1
We develop a dynamic description of an effective Dirac theory in metamaterials, in which the wavefunction is modeled by the corresponding electric and magnetic field in the metamat…
Photonic simulation of topological excitations in metamaterials
Wei Tan, Yong Sun, Hong Chen +1
Condensed matter systems with topological order and metamaterials with left-handed chirality have attracted recently extensive interests in the fields of physics and optics. So far…