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Intrinsic amplitude-noise suppression in fiber lasers mode-locked with nonlinear amplifying loop mirrors

机译:纤维激光器内部幅度噪声抑制与非线性放大回路镜锁定

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摘要

In this Letter, we investigate steady states of fiber lasers mode-locked with a nonlinear amplifying loop mirror that have an inherent amplitude-noise-suppression mechanism. Due to the interaction of the sinusoidal transmission function with the fluctuating intracavity pulse amplitude, we showthat under specific preconditions, this mechanism may lead to a detectable difference in relative intensity noise at the reflected and transmitted output port of the laser. We present systematic intensity noise measurements with a non-linear fiber-based system that replicates a single roundtrip in the laser cavity. The experimental results and simulations clearly show a reduction of the intracavity amplitude fluctuations up to 4 dB for certain steady states. (C) 2021 Optical Society of America
机译:在这封信中,我们研究了具有固有振幅噪声抑制机制的非线性放大环镜锁模光纤激光器的稳态。由于正弦传输函数与波动的腔内脉冲振幅的相互作用,我们表明,在特定的前提下,这种机制可能会导致激光反射和传输输出端口的相对强度噪声出现可检测的差异。我们提出了一种基于非线性光纤系统的系统强度噪声测量方法,该系统在激光腔中复制一次往返。实验结果和模拟清楚地表明,在某些稳态下,内腔振幅波动可降低至4dB。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第7期|共4页
  • 作者单位

    DESY Ctr Free Electron Laser Sci CFEL Notkestr 85 D-22607 Hamburg Germany;

    DESY Ctr Free Electron Laser Sci CFEL Notkestr 85 D-22607 Hamburg Germany;

    Cycle GmbH Notkestr 85 D-22607 Hamburg Germany;

    DESY Ctr Free Electron Laser Sci CFEL Notkestr 85 D-22607 Hamburg Germany;

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

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