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作 者:ZHOU Fei ZHOU Xue-fang BI Mei-hua YANG Guo-wei HU Miao LU Yang 周飞;周雪芳;毕美华;杨国伟;胡淼;卢旸(College of Communication Engineering,Hangzhou Dianzi University,Hangzhou 310018,China)
机构地区:[1]College of Communication Engineering,Hangzhou Dianzi University,Hangzhou 310018,China
出 处:《Optoelectronics Letters》2021年第5期283-288,共6页光电子快报(英文版)
基 金:supported in part by the Zhejiang Province Science and Technology Plan Projects(No.LGG19F050001);the National Natural Science Foundation of China(No.601705055);the Zhejiang Provincial Natural Science Foundation of China(No.LY17F050012)。
摘 要:We experimentally discussed the output characteristics of a passively mode-locked erbium-doped fiber laser using a single-mode fiber(SMF)structure as a saturable absorber(SA)based on nonlinear optic loop mirror(NOLM).The NOLM acting as an SA has properties of controllable pulse interval and pulse width.Four different types of NOLMs are experimentally discussed and the results show that fine adjustment to the coupler ratio together with optimization of the SMF length inside the NOLM can simultaneously implement high pulse energy and pulse internal tunability.The laser configuration provides a method to generate well-performing mode-locked lasing,and the investigations of the effects of changing some parameters of the laser also provide some help for the development of mode-locked fiber laser based on NOLM.
关 键 词:SMF Study of the output characteristics of nonlinear optical loop mirror on an erbium-doped mode-locked fiber laser
分 类 号:TN248[电子电信—物理电子学]
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