229 citations · 575 across the 26 of their papers we have counts for
13 papers · 1 filter
Non-Hermitian exceptional physics in RP^2 hyperbolic media
Shengyu Hu, Zhiwei Guo, Wenwei Liu +2
Conventional momentum space provides an orientable base space of a torus for topological classifications based on band theory. Here, we introduce a non-orientable momentum space is…
Photonic Dirac Nodal Line Semimetals Realized by Hyper-crystal
Shengyu Hu, Zhiwei Guo, Haitao Jiang +1
Recently, the gapless Dirac/Weyl nodal semimetals with linear dispersion and topologically protected modes degeneracy are rapidly growing frontiers of topological physics. Especial…
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…
Zero-index and Hyperbolic Metacavities: Fundamentals and Applications
Zhiwei Guo, Haitao Jiang, Hong Chen
As a basic building block, optical resonant cavities (ORCs) are widely used in light manipulation; they can confine electromagnetic waves and improve the interaction between light…
Abnormal wave propagation of high-k modes in tilted linear-crossing metamaterials
Zhiwei Guo, Haitao Jiang, Hong Chen
In this work, we treat the rotation of the optical axis as a new degree of freedom and theoretically propose a tilted linear-crossing metamaterials (TLCMM). Specifically, the conic…
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…
Hyperbolic Metamaterials: From Dispersion Manipulation to Application
Zhiwei Guo, Haitao Jiang, Hong Chen
Manipulating the property of iso-frequency contour (IFC) will provide a powerful control for the interaction between light and matter. Importantly, hyperbolic metamaterials (HMMs),…
Seeing Topological Order and Band Inversion in Optical Diatomic Chain
Jun Jiang, Zhiwei Guo, Weiwei Zhu +4
Recent realizations of exotic topological states in condensed matter and cold atoms have advanced the exploration for topological characteristics, such as invariant topological ord…
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.…
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…
Enhancement of Electromagnetically Induced Transparency in Metamaterials Using Long Range Coupling Mediated by a Hyperbolic Material
Zhiwei Guo, Haitao Jiang, Yunhui Li +2
Near-field coupling is a fundamental physical effect, which plays an important role in the establishment of classical analog of electromagnetically induced transparency (EIT). Howe…