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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…
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…
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…
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…
On-chip erbium-doped lithium niobate microdisk lasers
Qiang Luo, ZhenZhong Hao, Chen Yang +8
Erbium-doped lithium niobate high-Q microdisk cavities were fabricated in batches by UV exposure, inductively coupled plasma reactive ion etching and chemo-mechanical polishing. Th…