基于两滤波器级联和饱和吸收体的单纵模双波长光纤激光器

基于两滤波器级联和饱和吸收体的单纵模双波长光纤激光器

内容简介：提出和证实了一种光纤环形激光器. 将一个带通滤波器与一个带阻滤波器级联,用一段保偏掺铒光纤作为饱和吸收体,得到了一种单纵模双波长光纤激光器. 结果表明,该激光器波长间隔为0.4 nm,边模抑制比大于49 dB.如果将两个波长进行差拍,该激光器有潜力得到49.85 GHz的微波信号.

Abstract：A fiber ring laser was proposed and demonstrated. By cascading a bandpass filter with a bandstop filter and employing a polarization-maintaining erbium-doped fiber as a saturable absorber, a single-longitudinal-mode dual-wavelength fiber ring laser was achieved. The results show that the wavelength spacing is 0.40 nm and the side-mode suppression ratio is greater than 49 dB. The proposed laser has potential to generate microwave signal of 49.85 GHz by heterodyning the two wavelengths.

作者：陈国杰, 黄德修, 张新亮, 曹辉,

关键词：光纤激光器, 双波长, 单纵模, 滤波器级联, 饱和吸收体