三种C+L波段掺铒光纤ASE光源的实验对比研究

摘要

对常见的单级、双级以及三级结构的C+L波段掺铒光纤ASE光源进行实验研究,对比它们的性能并分析各自的优缺点.结果表明,单级和双级结构的C+L波段掺铒光纤ASE光源C波段和L波段光谱很难实现最佳匹配,导致平坦度不理想.虽然三级双泵浦结构光源结构较前两种较复杂,但通过优化光源参数可以使输出光谱具有更好的平坦度,从而更好地满足分布式光纤光栅传感系统、长距离光纤通信系统、光纤陀螺以及光谱测试等应用场合的要求.%Based on experimental research on three kinds of C+L band Erbium-doped fiber amplified spontane?ous emission (ASE) light source including signal-stage, two-stage and three-stage structure, the characteristics are compared and the advantages and disadvantages are analyzed. Results show that C band and L band spectrum of C+L band Erbium-doped fiber ASE light source with single-stage and two-stage structure is difficult to realize optimal matching and flatness is not ideal. Though the three-stage two-pumping structure light source is more complicated than that of the other two structures, the flatness of output spectrum is better through optimizing light source parame?ters. So the application requirements from distributed fiber Bragg grating (FBG) sensing system, long range fiber communication system, fiber gyroscope and spectrum testing are better satisfied.