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腔内滤波带宽对正色散束缚态孤子形成的影响
Authors
李维炜
杜团结
+4 more
王凱杰
王航
罗正钱
陈楠
Publication date
16 April 2019
Publisher
Abstract
本文以被动锁模正色散掺Yb光纤激光器为研究对象,实验比较研究了激光腔内滤波带宽对产生正色散束缚态孤子的影响。采用高掺Yb光纤作为增益介质,半导体饱和吸收镜作为锁模部件,获得1064 nm全光纤线型腔锁模激光器。当腔内带通滤波器选用不同带宽(0.2 nm、1 nm、1.2 nm或2.3 nm)时,观察到不同的皮秒锁模脉冲状态。在滤波带宽较小(0.2 nm)或较大(2.3 nm)时,仅产生稳定的单脉冲耗散孤子;相反地,在滤波带宽适中(1 nm或1.2 nm)时,我们分别观察到典型的相位差为π和-π/2束缚态耗散孤子,脉宽和脉冲宽度都分别为~3 ps和~14 ps。进一步,将束缚态耗散孤子激光通过主控振荡功率放大(MOPA)技术放大至1.4 W后,注入到光子晶体光纤中获得了750-1600 nm超连续谱(10dB谱宽)、输出功率~0.7 W,相比传统耗散孤子泵浦具有更好的光谱平坦性
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Xiamen University Institutional Repository
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oai:dspace.xmu.edu.cn:2288/175...
Last time updated on 20/11/2020
Xiamen University Institutional Repository
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.xmu.edu.cn:2288/175...
Last time updated on 20/11/2020