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20232026
most citedBeam shaping by nonlinear moiré metasurfaces

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physics.optics2026

Doubly resonant nonlinear metasurfaces enabling NIR-to-UV upconversion for reconfigurable Fourier optical processing

Jumin Qiu, Meibao Qin, Tingting Liu +6

Fourier optical processing underpins optical information manipulation, yet extending such operations to short wavelengths within compact platforms remains challenging. Here, we add…

physics.optics2025

Lithium Niobate Vertical Cavity Electro-Optic Modulator

Jikun Liu, Weiye Liu, Wei Wu +13

Electro-optic modulators (EOMs) are vital for optical imaging and information processing, with free-space devices enabling LiDAR and beam control. Lithium niobate (LN), powered by…

physics.optics20241 cited

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…

physics.optics2024

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…

physics.optics2023

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…