40 citations · 80 across the 7 of their papers we have counts for
7 papers
Simple theoretical model for parity-time-symmetric metasurfaces
Jianlan Xie, Shaohua Dong, Bei Yan +4
Many new possibilities to observe and use novel physical effects are discovered at so called exceptional points (EPs). This is done by using parity-time (PT) -symmetric non-Hermiti…
Multifrequency and multimode topological waveguides in a Stampfli-triangle photonic crystal with large valley Chern numbers
Bei Yan, Yiwei Peng, Jianlan Xie +9
The multifrequency quantum valley Hall effect (QVHE) with a large valley Chern number has been realized to significantly improve the transmission capacity of topological waveguides…
High-Order Nonreciprocal Add-Drop Filter
Hang Li, Rui Ge, Yuchen Peng +4
Topological photonics have led to the robust optical behavior of the device, which has solved the problem of the influence of manufacturing defects and perturbations on the device…
Near-zero-sidelobe optical subwavelength asymmetric focusing lens with dual-layer metasurfaces
Jianlan Xie, Shengnan Liang, Jianjun Liu +2
The existing metasurfaces with ultrathin volume for asymmetric transmission were often constructed by metal with low efficiency in optical frequency, and could not realize the opti…
Frequency tunable topological edge states of two-dimensional honeycomb lattice photonic crystals
Yuchen Peng, Bei Yan, Jianlan Xie +5
In this paper, the photonic quantum spin Hall effect (PQSHE) is realized in dielectric two-dimensional (2D) honeycomb lattice photonic crystal (PC) by stretching and shrinking the…
Non-Hermitian two-dimensional photonic crystal flat lens
Longfei Li, Jianlan Xie, Jianjun Liu
In this paper, a non-Hermitian two-dimensional photonic crystal flat lens is proposed. The negative refraction of the second band of photonic crystal is utilized to realize super-r…
Interface states in the rectangular lattice photonic crystals with identical dielectric rods
Jianzhi Chen, Jianlan Xie, Exian Liu +2
Interface states in photonic crystals (PCs) have attracted attention for the special properties, such as high transmission efficiency in bend waveguides, and their generation relat…