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Precise and Robust Domain Engineering Based on Faraday Cage Effect for Thin-film Lithium Niobate Photonics
Yanqun Wang, Furong Zhong, Lin Liu +4
Thin-film lithium niobate (TFLN) waveguides are promising for efficient second-harmonic generation (SHG) owing to their strong optical confinement and large second-order nonlineari…
High performance distributed feedback quantum dot lasers with laterally coupled dielectric grating
Zhuohui Yang, Zhengqing Ding, Lin Liu +8
The combination of grating-based frequency-selective optical feedback mechanisms, such as distributed feedback (DFB) or distributed Bragg reflector (DBR) structures, with quantum d…
An Ultra-high Numerical Aperture Metalens at Visible Wavelengths
Haowen Liang, Qiaoling Lin, Xiangsheng Xie +8
We demonstrate a metalens with NA = 0.98 in air, a bandwidth (FWHM) of 274 nm and a focusing efficiency of 67% at 532 nm wavelength, which is close to the transmission performance…
Monolithic quantum-dot distributed feedback laser array on silicon
Yi Wang, Siming Chen, Ying Yu +12
Electrically-pumped lasers directly grown on silicon are key devices interfacing silicon microelectronics and photonics. We report here, for the first time, an electrically-pumped,…