基于掺铒光纤放大自发辐射的宽带光源优化研究  

Research of Optimized Wide-bandwidth Optical Source with Er^(3+)-doped Fiber Amplified Spontaneous Emission

作　　者：郝蕴琦 贾若一 丁贝贝 杨坤 HAO Yunqi;JIA Ruoyi;DING Beibei;YANG Kun(College of Physics and Electronics Engineering,Zhengzhou University of Light Industry,Zhengzhou 450001,CHN;Henan Key Lab.of Magnetoelectric Information Function Materials,Zhengzhou 450001,CHN;Zhengzhou Key Lab.of Information Optics and Photoelectric Technology,Zhengzhou 450001,CHN)

机构地区：[1]郑州轻工业大学物理与电子工程学院,郑州450001 [2]河南省磁电信息功能材料重点实验室,郑州450001 [3]郑州市信息光学与光电技术重点实验室,郑州450001

出　　处：《半导体光电》2022年第3期557-560,共4页Semiconductor Optoelectronics

基　　金：河南省科技攻关计划项目(212102210031);河南省高等学校青年骨干教师培养计划项目(2021GGJS092);郑州轻工业大学青年骨干教师培养对象资助计划项目。

摘　　要：提出并设计了一种双向泵浦、双程结构的掺铒光纤放大自发辐射宽带光源。对该光源的实现方案和优化效果进行了实验研究,并分析了该光源的输出功率转化效率、光谱平坦度以及工作稳定性。结果表明,和前向泵浦ASE输出相比,该结构所产生的宽带光源泵浦转化效率提高8.24%,在不加任何滤波器条件下1525~1557 nm之间光谱平坦度提升1 dB,3 dB线宽增加24.56 nm。实现了1 h内光功率和光谱的稳定输出,可为光纤传感、光谱分析等领域提供光源。A kind of wide-bandwidth optical source applying amplified spontaneous emission of Er^(3+)-doped optical fiber is proposed,with bi-directional pumping and double-pass configuration.Experiments were performed to verify the proposed scheme,and then the output performance was optimized.The pump efficiency,spectrum flatness and stability were analyzed in detail.The experimental results show that the pump conversion efficiency is increased by 8.24%,the flatness of optical spectrum is improved by 1 dB in 1525~1557 nm without any filter,and the output linewidth @3dB is widened by 24.56 nm.The stable output of optical power and spectrum within one hour is realized,which can provide light source for optical fiber sensing,spectral analysis,etc.

关 键 词：宽带光源 掺铒光纤 放大自发辐射 优化 

分 类 号：TN253[电子电信—物理电子学]