光子学报, 2009, 38 (3): 499, 网络出版: 2010-07-16
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
Single-longitudinal-mode Dual-Wavelength Fiber Ring Laser by Cascading Two Filters and Using a Saturable Absorber*
光纤激光器 双波长 单纵模 滤波器级联 饱和吸收体 Fiber ring laser Dual-wavelength Single-longitudinal-mode Filter cascade Saturable absorber
摘要
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.
陈国杰, 黄德修, 张新亮, 曹辉. 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[J]. 光子学报, 2009, 38(3): 499. CHEN Guo-jie, HUANG De-xiu, ZHANG Xin-liang, CAO Hui. Single-longitudinal-mode Dual-Wavelength Fiber Ring Laser by Cascading Two Filters and Using a Saturable Absorber*[J]. ACTA PHOTONICA SINICA, 2009, 38(3): 499.