48-波长线形腔多波长掺铒光纤激光器  

48-line Linear Cavity Multi-wavelength Er-doped Fiber Laser

作　　者：李家方[1] 冯鸣[1] 李乙钢[1] 陈胜平[1] 闫培光[1] 吕可诚[1] 

机构地区：[1]南开大学物理科学学院光电信息科学系,天津300071

出　　处：《光子学报》2005年第4期485-488,共4页Acta Photonica Sinica

基　　金：国家高技术研究发展计划 ( 2003AA312100 );国家自然科学基金(60137010)资助项目

摘　　要：采用两个光纤环镜作为腔镜构成线形腔可调谐多波长掺铒光纤激光器.将铒光纤浸入77K的液氮中,选择可调谐光纤环镜作为输出腔镜,利用Mach-Zehnder干涉仪的滤波特性和输出端光纤环镜反射率的宽带可调特性,获得了波长间隔～0.4nm、最大波长数目48个的多波长激光的稳定输出,同时实现了在1525～1555nm范围内,多波长激光运转区域的灵活调节.Two kinds of fiber loops are employed as cavity mirrors to setup a linear cavity tunable multi-wavelength Er-doped fiber laser. By cooling Er-doped fiber in liquid nitrogen to 77 K, employing the tunable fiber loop mirror as a output mirror, and utilizing the filter characteristic of Mach-Zehnder interferometer and the wide-band tunable reflectance feature of the tunable fiber loop mirror together, a multi-wavelength fiber laser with channel spacing of -0.4 nm are got. A maximum number 48 of output lasing wavelengths is achieved, and the lasing multi-wavelength region can be conveniently tuned from 1525 nm to 1555 nm.

关 键 词：掺铒光纤 多波长 光纤环镜 MACH-ZEHNDER干涉仪 

分 类 号：TN248[电子电信—物理电子学]