427 citations · 4.6k across the 57 of their papers we have counts for
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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…
Giant photonic spin Hall effect near the Dirac points
Wenhao Xu, Qiang Yang, Guangzhou Ye +4
The origin of spin-orbit interaction of light at a conventional optical interface lies in the transverse nature of the photon polarization: The polarizations associated with the pl…
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…
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…
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…
Generalized spatial differentiation from spin Hall effect of light
Tengfeng Zhu, Yijie Lou, Yihan Zhou +9
Optics naturally provides us with some powerful mathematical operations. Here we experimentally demonstrate that during reflection or refraction at a single optical planar interfac…
Giant quantized Goos-Hänchen effect on the surface of graphene in quantum Hall regime
Weijie Wu, Shizhen Chen, Chengquan Mi +3
We theoretically predict a giant quantized Goos-Hänchen (GH) effect on the surface of graphene in quantum Hall regime. The giant quantized GH effect manifests itself as an angular…
Quantized photonic spin Hall effect in graphene
Liang Cai, Mengxia Liu, Shizhen Chen +4
We examine the photonic spin Hall effect (SHE) in a graphene-substrate system with the presence of external magnetic field. In the quantum Hall regime, we demonstrate that the in-p…
Generation of perfect vortex and vector beams based on Pancharatnam-Berry phase elements
Yachao Liu, Yougang Ke, Junxiao Zhou +4
Perfect vortex beams are the orbital angular momentum (OAM)-carrying beams with fixed annular intensities, which provide a better source of OAM than traditional Laguerre- Gaussian…
Strong spin-orbit interaction of light on the surface of atomically thin crystals
Mengxia Liu, Liang Cai, Shizhen Chen +3
The photonic spin Hall effect (SHE) can be regarded as a direct optical analogy of the SHE in electronic systems where a refractive index gradient plays the role of electric potent…
Observation of the Goos-Hänchen shift in graphene via weak measurements
Shizhen Chen, Chengquan Mi, Liang Cai +3
We report the observation of the Goos-Hänchen effect in graphene via a weak value amplification scheme. We demonstrate that the amplified Goos-Hänchen shift in weak measurements is…
Black phosphorus mode-locked Er-doped ZBLAN fiber laser at 2.8 um wavelength
Zhipeng Qin, Guoqiang Xie, Chujun Zhao +3
Mid-infrared saturable absorber mirror is successfully fabricated by transferring the mechanically exfoliated black phosphorus onto the gold-coated mirror. With the as-prepared bla…
Black phosphorus as saturable absorber for the Q-switched Er:ZBLAN fiber laser at 2.8 μm
Zhipeng Qin, Guoqiang Xie, Han Zhang +4
Black phosphorus, a newly emerged two-dimensional material, has attracted wide attention as novel photonic material. Here, multi-layer black phosphorus is successfully fabricated b…
Spin photonics and spin-photonic devices with dielectric metasurfaces
Yachao Liu, Shizhen Chen, Yougang Ke +3
Dielectric metasurfaces with spatially varying birefringence and high transmission efficiency can exhibit exceptional abilities for controlling the photonic spin states. We present…
Modified weak measurements for detecting photonic spin Hall effect
Shizhen Chen, Xinxing Zhou, Chengquan Mi +2
Weak measurement is an important technique for detecting the tiny spin-dependent splitting in photonic spin Hall effect. The weak measurement is only valid when the probe wavefunct…
Realization of spin-dependent splitting with arbitrary intensity patterns based on all-dielectric metasurfaces
Yougang Ke, Yachao Liu, Yongli He +3
We report the realization of spin-dependent splitting with arbitrary intensity patterns based on all-dielectric metasurface. Compared to the plasmonic metasurfaces, the all-dielect…
Hybrid-order Poincaré sphere
Xunong Yi, Yachao Liu, Xiaohui Ling +5
In this work, we develop a hybrid-order Poincaré sphere to describe the evolution of polarization states of wave propagation in inhomogeneous anisotropic media. We extend the orbit…
Photonic spin Hall effect in metasurfaces with rotational symmetry-breaking
Yachao Liu, Xiaohui Ling, Xunong Yi +5
Observation of photonic spin Hall effect (SHE) in dielectric-based metasurfaces with rotational symmetry breaking is presented. We find that the spin-dependent splitting is a uniqu…
Generation of cylindrical vector vortex beams by two cascaded metasurfaces
Xunong Yi, Xiaohui Ling, Zhiyou Zhang +6
We present a simple and efficient method to generate any cylindrical vector vortex (CVV) beams based on two cascaded metasurfaces. The metasurface works as a space-variant Panchrat…
Generation of arbitrary cylindrical vector beams on the higher order Poincare sphere
Shizhen Chen, Xinxing Zhou, Yachao Liu +3
We propose and experimentally demonstrate a novel interferometric approach to generate arbitrary cylindrical vector beams on the higher order Poincare sphere. Our scheme is impleme…
Realization of polarization evolution on higher-order Poincare sphere with metasurface
Yachao Liu, Xiaohui Ling, Xunong Yi +3
We present a simple and convenient method to yield cylindrical vector (CV) beams and realize its polarization evolution on higher-order Poincare sphere based on inhomogeneous biref…
Geometric Photonic Spin Hall Effect with Metapolarization
Xiaohui Ling, Xinxing Zhou, Xunong Yi +2
We develop a geometric photonic spin Hall effect (PSHE) which manifests as spin-dependent shift in momentum space. It originates from an effective space-variant Pancharatnam-Berry…
Realization of tunable spin-dependent splitting in intrinsic photonic spin Hall effect
Xiaohui Ling, Xunong Yi, Xinxing Zhou +4
We report the realization of tunable spin-dependent splitting in intrinsic photonic spin Hall effect. By breaking the rotational symmetry of a cylindrical vector beam, the intrinsi…