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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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宽带混乱同步使用离散模式半导体激光器.

Longsheng Wang, Huiyu Huang, Xiaoxin Mao

    Optics letters
    |June 30, 2023
    PubMed
    概括

    研究人员使用离散模式半导体激光器 (DML) 实现了宽带混乱同步. 这一突破通过克服同步挑战,使高速光学混乱通信成为可能.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 电信工程 电信工程 电信工程
    • 非线性动力学是一种非线性动力学.

    背景情况:

    • 高速光学混乱通信受到实现宽带混乱同步的困难所阻碍.
    • 离散模式半导体激光器 (DML) 是现代光学系统的关键组件.

    研究的目的:

    • 用DMLs实验证明宽带混乱同步.
    • 确定参数范围和条件,以实现强大的宽带混乱同步.

    主要方法:

    • 使用了一个主-奴隶开放循环配置与DMLs.
    • 在主DML中通过外部镜子反生成宽带混乱 (30GHz 10-dB带宽).
    • 通过将混乱注入到一个奴隶DML中,实现了注入锁定混沌同步.

    主要成果:

    • 证明了宽带混乱同步,同步系数为0.888.8.
    • 确定了用于同步的广泛参数范围,包括在强注射下从-18.75 GHz到1.25 GHz的频率调节.
    • 发现具有较低偏差电流和较小放松振荡频率的奴隶DML更容易受到宽带同步的影响.

    结论:

    • 在主-奴隶配置中使用DMLs实验性地实现宽带混乱同步.

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  • 这些发现为高速光学混乱通信系统提供了途径.
  • 优化奴隶DML参数可以提高宽带同步的易感性.