Hary Mathilde, Salmela Lauri, Ryczkowski Piotr, Gallazzi Francesca, Dudley John M, Genty Goëry
Opt Lett. 2023 Sep 1;48(17):4512-4515. doi: 10.1364/OL.492064.
We report the generation of a spectrally tailored supercontinuum using Fourier-domain pulse shaping of femtosecond pulses injected into a highly nonlinear fiber controlled by a genetic algorithm. User-selectable spectral enhancement is demonstrated over the 1550-2000-nm wavelength range, with the ability to both select a channel with target central wavelength and bandwidth in the range of 1-5 nm. The spectral enhancement factor relative to unshaped input pulses is typically ∼5-20 in the range 1550-1800 nm and increases for longer wavelengths, exceeding a factor of 160 around 2000 nm. We also demonstrate results where the genetic algorithm is applied to the enhancement of up to four spectral channels simultaneously.
我们报告了利用遗传算法控制注入高非线性光纤的飞秒脉冲的傅里叶域脉冲整形来产生光谱定制超连续谱的方法。在1550 - 2000纳米波长范围内展示了用户可选择的光谱增强，能够在1 - 5纳米范围内选择具有目标中心波长和带宽的通道。相对于未整形的输入脉冲，光谱增强因子在1550 - 1800纳米范围内通常约为5 - 20，并且对于更长波长会增加，在2000纳米左右超过160倍。我们还展示了将遗传算法同时应用于增强多达四个光谱通道的结果。
