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可调节的随机激光器通过相位过渡进行信息加密.

Junhua Tong, Jun Ruan, Naeem Iqbal

    Optics express
    |September 15, 2023
    PubMed
    概括

    研究人员开发了一种新的相位过渡随机激光,使用热敏水凝. 这允许在不连贯和连贯状态之间切换激光模式,从而实现新的光电子功能和信息传输.

    科学领域:

    • 光电学是指光电子产品.
    • 材料科学 材料科学 材料科学
    • 激光物理 激光物理

    背景情况:

    • 随机激光器通过利用无序介质进行光反来提供独特的功能.
    • 阶段过渡材料为激光系统中光学属性的动态控制提供了机会.

    研究的目的:

    • 在随机激光系统中引入相位过渡材料,以实现新的光电子功能.
    • 设计和演示具有可切换激光模式的相位过渡随机激光器.
    • 探索这种激光在信息编码和传输中的应用.

    主要方法:

    • 在随机激光设置中,将热敏水凝作为散射介质.
    • 操纵水凝的相位过渡来改变光散射特性.
    • 观察和分析随机激光发射模式的变化 (连贯与不连贯).

    主要成果:

    • 成功演示了一种具有可逆切换激光模式的相位过渡随机激光.
    • 通过改变水凝的相位状态,观察了不连贯和连贯的随机激光之间的过渡.
    • 证实了由于相位转换而导致光散射特性变化的变化会影响光学反路径.

    结论:

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  • 阶段过渡材料可以有效地用于控制随机激光模式.
  • 开发的随机激光显示出在信息编码和传输方面的应用潜力,因为它具有可控制的时间域特征.
  • 这项工作为设计用于光电设备的先进随机激光器铺平了道路.