Silicon is well known for its strong third-order optical nonlinearity, exhibiting efficient
supercontinuum and four-wave mixing processes. A strong second-order effect that is …

Second-harmonic generation is demonstrated in AlGaAs-on-insulator waveguides at
telecom wavelengths. Using this material platform, a maximum internal normalized efficiency …

Ultrafast deep-UV laser sources have extensive applications across a wide number of fields,
whether biomedicine, photolithography, industrial processing, or state-of-the-art scientific …

Second harmonic generation (SHG) in glass optical fibers calls for creating a second order
susceptibility in the fiber glass and for achieving phase matching between the pump and the …

Optical fibers provide a favorable medium for nonlinear optical processes owing to the small
mode field size and concurrently high optical intensity combined with the extended …

Optical neural networks (ONNs) are custom optical circuits promising a breakthrough in low-
power, parallelized, and high-speed hardware, for the growing demands of artificial …

摘要提出了一种啁啾补偿群速色散的倍频方法, 通过向入射基频光引入合适的初始啁啾,
让其与色散相互作用, 以实现对基频光脉冲宽度的主动控制, 提高转换效率. 研究结果表明 …

模拟了随着传播长度的增加, 基频和倍频激光脉冲的时域波形和光谱特性的演变过程.
通过引入走离长度和非线性长度, 给出了走离效应, 群速度色散和三阶非线性效应对飞秒脉冲倍 …

Based on the existing design in our prototype laser facility, the third-harmonic generation of
the phase modulated broadband of 0.3 nm and narrowband lasers are theoretically …

We demonstrate broadband second harmonic generation of low-energy pulses produced by
injecting two single-frequency lasers into a highly nonlinear fiber. Full nonlinear conversion …