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High-energy laser pulse with a submegahertz repetition rate from a passively mode-locked fiber laser

机译:被动锁模光纤激光器具有亚兆赫重复率的高能激光脉冲

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摘要

We demonstrate an ultralong cavity, all-fiber, all-normal-dispersion Yb-doped fiber laser that is passivelynmode locked by a semiconductor saturable absorber mirror (SESAM). Without any discrete dispersion-ncompensation components or conventional spectral filters, the SESAM works together with the stronglynchirped pulse and the nonlinearity induced spectrum broadening to perform a filtering-equivalent function,nthus stabilizing the mode locking. The laser generates 4.3 nJ stable mode-locked pulses with a 397 kHz fun-ndamental repetition rate at a 1068 nm central wavelength. © 2009 Optical Society of America
机译:我们展示了一种超长腔,全光纤,全正态色散掺Yb光纤激光器,该激光器被半导体可饱和吸收镜(SESAM)被动锁定。由于没有任何离散的色散补偿组件或常规的频谱滤波器,SESAM可以与强脉冲化脉冲和非线性引起的频谱扩展一起工作,以执行等效滤波功能,从而稳定锁模。激光在中心波长1068 nm处产生4.3 nJ稳定锁模脉冲,具有397 kHz的基本重复频率。 ©2009美国眼镜学会

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  • 来源
    《Optics Letters》 |2009年第9期|p.1432-1434|共3页
  • 作者单位

    Network Technology Research Centre, School of Electrical and Electronic Engineering,Nanyang Technological University, 50 Nanyang Drive, Singapore 6375532Institute for InfoComm Research, Fusionopolis Way #21-01 Connexis (South Tower), Singapore 138632* Corresponding author: tian0011@ntu.edu.sg;

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