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首页> 外文期刊>Optics Letters >Rogue waves in a linear cavity Yb-fiber laser through spectral filtering induced pulse instability
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Rogue waves in a linear cavity Yb-fiber laser through spectral filtering induced pulse instability

机译：通过光谱滤波诱导脉冲不稳定，在线性腔YB光纤激光器中的流氓波

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摘要

In this Letter, experimental observation of dissipative rogue waves (DRWs) due to spectral filtering induced pulse instabilities in a mode-locked ytterbium (Yb) fiber laser has been presented. A semiconductor saturable absorber mirror was used to mode-lock the linear cavity laser and a chirped fiber Bragg grating (CFBG) was used for dispersion management, which also acted as a spectral filter and output coupler. Under stable conditions, the cavity delivered dispersion managed dissipative solitons of 447 fs duration and 0.69 nJ pulse energy at 10.19 MHz repetition rate with uniform intensity distribution over a long time span. As the spectral width increased with pump power, random intensity fluctuations were observed in the pulse train due to the filtering effect of the CFBG. Employing a dispersive Fourier transform by stretching the output pulse train in time allowed the existence of DRWs more than 4 times stronger than the significant wave height to be observed. Further increments of pump power led to a stable multi-pulsing state. (C) 2019 Optical Society of America
机译：在这封信中，已经介绍了由于在模式锁定的YTTerbium（YB）光纤激光器中的光谱滤波引起的脉冲稳定性导致的耗散流氓波（DRW）的实验观察。半导体可饱和吸收镜用于模式锁定线性腔激光器，并且啁啾光纤布拉格光栅（CFBG）用于分散管理，其也充当光谱滤波器和输出耦合器。在稳定的条件下，腔体在10.19MHz的重复率下以10.19MHz的重复速率输送了447 FS持续时间的分散管理耗散孤子和0.69 NJ脉冲能量。随着泵浦功率增加的光谱宽度，由于CFBG的滤波效果，在脉冲系中观察到随机强度波动。采用分散傅里叶变换通过拉伸输出脉冲系，允许DRW的存在超过要观察到的显着波高的4倍。泵浦电源的进一步增量导致了稳定的多脉冲状态。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第9期|共4页
  • 作者

    Das Chowdhury Sourav; Gupta Bhaswar Dutta; Chatterjee Sayan; Sen Ranjan; Pal Mrinmay;

  • 作者单位

    CSIR Cent Glass &

    Ceram Res Inst Fiber Opt &

    Photon Div Kolkata 700032 India;

    Def Inst Adv Technol Dept Appl Phys Pune 411025 Maharashtra India;

    Jadavpur Univ Elect &

    Telecommun Dept Kolkata 700032 India;

    CSIR Cent Glass &

    Ceram Res Inst Fiber Opt &

    Photon Div Kolkata 700032 India;

    CSIR Cent Glass &

    Ceram Res Inst Fiber Opt &

    Photon Div Kolkata 700032 India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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