光电技术应用, 2014, 29 (1): 18, 网络出版: 2014-03-14  

一种超窄线宽双向反馈的多波长布里渊光纤激光器

Multi-wavelength Brillouin Fiber Laser with Ultra-narrow Line-width Bidirectional Feedback
作者单位
长春理工大学理学院,吉林长春 130022
摘要
提出一种超窄线宽双向反馈的多波长布里渊光纤激光器。一个 2×2的 3 dB耦合器连接 10 km的普通的单模光纤(SMF)作摘为布里渊增益环,分布反馈式半导体激光器作为布里渊抽运源,两个光环行器实现多波长激光的输出和反馈,没有加入掺铒光纤线性增益结构。当布里渊功率为 80 mW时,在 10 km单模光纤中产生受激布里渊散射效应,而获得反向传输的多阶斯托克斯光。不包括抽运光,共观察到 12个波长的斯托克斯光输出,波长间隔为 0.088 nm,输出激光线宽达 300 kHz。
Abstract
A multi-wavelength Brillouin fiber laser with ultra-narrow line-width bidirectional feedback is intro. duced. A 10 km long single-mode fiber (SMF) connected with a 2×2 3 dB coupler is used as the Brillouin gain ringand a distributed feedback (DFB) semiconductor laser is taken as the Brillouin pump (BP). The output and feedback ofmulti-wavelength lasers are realized by two optical circulators without adding erbium-doped fiber linear gain structure.At the Brillouin pump power of 80 mW, stimulated Brillouin scattering is produced in 10 km long single-mode fiber (SMF). Therefore, multi-order Stokes reflection lights can be obtained. Stokes light output of 12 wavelengths with 0.088 nm wavelength spacing and 300 kHz output laser line width is observed except BP.

徐雨萌, 王国政, 刘艳阳, 彭玲玲, 刘昕男, 寇艳强, 吴柯鑫. 一种超窄线宽双向反馈的多波长布里渊光纤激光器[J]. 光电技术应用, 2014, 29(1): 18. XU Yu-meng, WANG Guo-zheng, LIU Yan-yang, PENG Ling-ling, LIU Xin-nan, KOU Yan-qiang, WU Ke-xin. Multi-wavelength Brillouin Fiber Laser with Ultra-narrow Line-width Bidirectional Feedback[J]. Electro-Optic Technology Application, 2014, 29(1): 18.

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