182 citations · 212 across the 11 of their papers we have counts for
10 papers · 1 filter
Beam shaping by nonlinear moiré metasurfaces
Lun Qu, Wei Wu, Di Zhang +7
This paper explores the interplay of momentum transfer and nonlinear optical processes through moiré phenomena. Momentum transfer plays a crucial role in the interaction between ph…
Optical Vortex Ladder via Sisyphus Pumping of Pseudospin
Sihong Lei, Shiqi Xia, Daohong Song +3
Robust higher-order optical vortices are much in demand for applications in optical manipulation, optical communications, quantum entanglement and quantum computing. However, in nu…
Electro-optically Modulated Nonlinear Metasurfaces
Zhengqing He, Lun Qu, Wei Wu +10
Tunable nonlinearity facilitates the creation of reconfigurable nonlinear metasurfaces, enabling innovative applications in signal processing, light switching, and sensing. This pa…
Intrinsic Orbital Angular Momentum Originated from Optical Catastrophe Superposition
Nana Liu, Huanpeng Liang, Liu Tan +7
Conventionally, intrinsic orbital angular momentum (OAM) is associated with phase vortices. However, our investigation into the propagation dynamics of 2D superimposed catastrophe…
Bright Second Harmonic Emission from Photonic Crystal Vertical Cavity
Lun Qu, Zhidong Gu, Chenyang Li +12
We present a study on photonic vertical cavities consisting of nonlinear materials embedded in photonic crystals (PhCs) for resonantly enhancing second harmonic generation (SHG). P…
Highly efficient on-chip erbium-ytterbium co-doped lithium niobate waveguide amplifiers
Yuqi Zhang, Qiang Luo, Dahuai Zheng +6
The ability to amplify optical signals is of paramount importance in photonic integrated circuits (PICs). Recently, lithium niobate on insulator (LNOI) has attracted increasing int…