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7 papers · 2 filters
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…
Broadband Optical Fully Differential Operation Based on the Spin-orbit Interaction of Light
Shanshan He, Junxiao Zhou, Shizhen Chen +3
Optical technology may provide important architectures for future computing, such as analog optical computing and image processing. Compared with traditional electric operation, op…
Observation of non-Abelian nodal links in photonics
Erchan Yang, Biao Yang, Oubo You +8
In crystals, two bands may cross each other and form degeneracies along a closed loop in the three-dimensional momentum space, which is called nodal line. Nodal line degeneracy can…
Precision Measurement of the Optical Conductivity of Atomically Thin Crystals via Photonic Spin Hall Effect
Shizhen Chen, Xiaohui Ling, Weixing Shu +2
How to measure the optical conductivity of atomically thin crystals is an important but challenging issue due to the weak light-matter interaction at the atomic scale. Photonic spi…