172 citations · 948 across the 32 of their papers we have counts for
27 papers · 1 filter
Unidirectional vortex waveguides and multistable vortex pairs in polariton condensates
Xinghui Gao, Wei Hu, Stefan Schumacher +1
Vortices carrying quantized topological charges have potential application in information processing. In this work, we investigate vortex carriers and waveguides in microcavity pol…
Experimental observation of anisotropic diffraction induced by orbital angular momentum
Guo Liang, Huicong Zhang, Lei Fang +3
We reveal for the first time a direct relationship between the diffraction of optical beams and their carrying orbital angular momentum (OAM). We experimentally demonstrate a novel…
An perturbation-iteration method for multi-peak solitons in nonlocal nonlinear media
Weiyi Hong, Bo Tian, Rui Li +2
An perturbation-iteration method is developed for the computation of the Hermite-Gaussian-like solitons with arbitrary peak numbers in nonlocal nonlinear media. This method is base…
Transition between self-focusing and self-defocusing in nonlocally nonlinear media
Guo Liang, Weiyi Hong, Yahong Hu +7
We reveal the relevance between the nonlocality and the focusing/defocusing states in nonlocally nonlinear media, and predict a novel phenomenon that the self-focusing/self-defocus…
Nematicons in liquid crystals with negative dielectric anisotropy
Jing Wang, Junzhu Chen, Jinlong Liu +6
We report a theoretical and experimental work on the nematicon in the planar cell containing the nematic liquid crystal with negative dielectric anisotropy, aligned homeotropically…
Large phase shift of spatial soliton in lead glass by cross-phase modulation in pump-signal geometry
Qian Shou, Dongwen Liu, Xiang Zhang +2
We investigate the large phase shifts of the bi-color spatial soliton pair in a cylindrical lead glass rod. The theoretical study suggests a synchronous propagation of a strong pum…
Defect solitons supported by nonlocal PT symmetric superlattices
Sumei Hu, Daquan Lu, Xuekai Ma +2
The existence and stability of defect solitons supported by parity-time (PT) symmetric superlattices with nonlocal nonlinearity are investigated. In the semi-infinite gap, in-phase…
Defect Solitons in Parity-Time Symmetric Optical Lattices with Nonlocal Nonlinearity
Sumei Hu, Xuekai Ma, Daquan Lu +2
The existence and stability of defect solitons in parity-time (PT) symmetric optical lattices with nonlocal nonlinearity are reported. It is found that nonlocality can expand the s…
Solitons supported by complex PT symmetric Gaussian potentials
Sumei Hu, Xuekai Ma, Daquan Lu +3
The existence and stability of fundamental, dipole, and tripole solitons in Kerr nonlinear media with parity-time symmetric Gaussian complex potentials are reported. Fundamental so…
Solitons in thermal media with periodic modulation of linear refractive index
Xuekai Ma, Zhenjun Yang, Daquan Lu +1
We address the existence and properties of solitons in thermal media with periodic modulation of linear refractive index. Many kinds of solitons in such optical lattices, including…
Bound states of spatial optical dark/gray solitons in nonlocal media
Shigen Ouyang, Wei Hu, Qi Guo
It is shown that three or more dark/gray solitons can form bound states in nonlocal media. More over dark/gray solitons can form bound states in several balance distances. Numerica…
Surface dark solitons in nonlocal nonlinear media
XingHui Gao, Luohong Zhou, ZhenJun Yang +3
We predict the existence of surface dark solitons at the interface between a self-defocusing nonlocal nonlinear medium and a linear medium. The fundamental and higher-order surface…
Multiple-type solutions for multipole interface solitons in thermal nonlinear media
Xuekai Ma, Zhenjun Yang, Daquan Lu +1
We address the existence of multipole interface solitons in one-dimensional thermal nonlinear media with a step in the linear refractive index at the sample center. It is found tha…
Solution for (1+1) dimensional surface solitons in thermal nonlinear media
Xuekai Ma, Zhenjun Yang, Daquan Lu +2
Analytical solutions for (1+1)D surface fundamental solitons in thermal nonlinear media are obtained. The stationary position and the critical power of surface solitons are obtaine…
Relation between surface solitons and bulk solitons in nonlocal nonlinear media
Zhenjun Yang, Xuekai Ma, Daquan Lu +3
We find that a surface soliton in nonlocal nonlinear media can be regarded as a half of a bulk soliton with an antisymmetric amplitude distribution. The analytical solutions for th…
Interface solitons in thermal nonlinear media
Xuekai Ma, Zhenjun Yang, Daquan Lu +1
We demonstrate the existence of fundamental and dipole interface solitons in one-dimensional thermal nonlinear media with a step in linear refractive index. Fundamental interface s…
Physical picture, pattern-control, and detection approach for tightly focused beams: In the view of Fourier optics
Daquan Lu, Wei Hu
We investigate the mechanism of the nonparaxial propagation of the tightly focused beams in the view of Fourier optics. It shows that it is the phase of the angular spectrum which…
The boundary force exerted on spatial solitons in cylindrical strongly nonlocal media
Qian Shou, Yanbin Liang, Qun Jiang +4
We investigate the propagation of the spatial soliton in cylindrical strongly nonlocal media by a novel method of image beam of light. The effect of the boundary on the soliton act…
The Relation Between Optical beams Propagation in Free Space and in Strongly Nonlocal Nonlinear Media
Daquan Lu, Wei Hu, Qi Guo
The relation between optical beams propagation in strongly nonlocal nonlinear (SNN) media and {propagation} in free space is {demonstrated using} the technique of variable transfor…
Complex variable function Gaussian beam in strongly nonlocal nonlinear media
Dengmei Deng, Qi Guo, Wei Hu
We introduce a novel class of spatial complex variable function Gaussian (CVF-Gaussian) beam, which is the product of an arbitrary analytic complex variable function and a Gaussian…
Self-Induced Fractional Fourier Transform and Revivable Higher Order Spatial Solitons in Strongly Nonlocal Nonlinear Media
Daquan Lu, Wei Hu, Yajian zheng +4
The fractional Fourier transform (FRFT) naturally exists in the strongly nonlocal nonlinear (SNN) media and the propagation of optical beams in SNN media can be simply regarded as…
Short-range interaction of strongly nonlocal spatial optical solitons
Wei Hu, Shigen Ouyang, Pingbao Yang +1
A novel phenomenon is discovered that the short-range interaction between strongly nonlocal spatial solitons depends sinusoidally on their phase difference. The two neighbouring so…
Perturbative analysis of generally nonlocal spatial optical solitons
Shigen Ouyang, Qi Guo, Wei Hu
In analogy to a perturbed harmonic oscillator, we calculate the fundamental and some other higher order soliton solutions of the nonlocal nonlinear Schroedinger equation (NNLSE) in…
Amphoteric refraction at the interface between isotropic and anisotropic media
Hailu Luo, Wei Hu, Xunong Yi +2
It is found that the amphoteric refraction, i.e. the refraction can be either positive or negative depending on the incident angles, could occur at a planar interface associated wi…