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在低输入功率下进行相锁,预放大光学注入锁定.

J Connor Skehan, Magnus Karlsson, Peter A Andrekson

    Optics express
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    PubMed
    概括

    这项研究探讨了稳定的光学注射锁定极限与放大输入光和噪声. 研究人员观察到由于噪声而导致的相位滑动,但取得了稳定的连续波输出功率.

    科学领域:

    • 光子学 是一个光子学.
    • 激光物理 激光物理
    • 光学工程是指光学工程.

    背景情况:

    • 光学注射锁定将一个奴隶激光与主激光器的频率同步.
    • 预放大注入锁定增强信号强度,但可能对噪声敏感.

    研究的目的:

    • 调查光学预放大注射锁定的稳定性极限.
    • 分析输入场噪声和相锁循环对系统稳定的影响.
    • 描述相位滑动及其原因.

    主要方法:

    • 修改了速率方程,以建模接近稳定性极限的系统.
    • 模拟用于在噪音条件下预测系统行为.
    • 模拟结果的实验验证.

    主要成果:

    • 识别了因注入的噪音导致的相位滑动,暂时破坏了系统的稳定.
    • 在 -80 dBm输入功率下实现稳定的连续波 (CW) 输出.
    • 在70dBm输入功率下实现了无相滑操作.
    • 从注射锁奴隶激光器中证明了20dBm的输出功率.

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  • 该研究定义了稳定的预放大光学注射锁定的操作极限.
  • 噪音引起的相位滑动是影响稳定性的关键因素.
  • 该系统可以在噪音条件下可靠地恢复具有显著输出功率的CW波,即使在噪音条件下.