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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
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微波光子学通道接收器具有高相位稳定性.

Guchang Chen, Chenyuan Li, Xiangzhi Xie

    Optics express
    |June 14, 2025
    PubMed
    概括

    这项研究介绍了一种新的微波光子学通道接收器,使用双光学频率子来稳定相位关系. 该系统实现了硬件级的相位稳定性,从而实现了强大的宽带信号接收和合成.

    科学领域:

    • 光子学和信号处理技术
    • 微波光子学 微波光子学
    • 光学频率的光学频率.

    背景情况:

    • 道接收器需要稳定的相位关系来实现大带宽.
    • 传统系统与环境敏感性和相位不稳定性作斗争.
    • 为了提取相位信息,通常需要大量的数字信号处理.

    研究的目的:

    • 提出一种具有高相稳定的微波光子通道接收器.
    • 为了克服传统通道接收器在环境干扰和相位采集方面的局限性.
    • 通过使用双光学频率子来演示硬件级阶段稳定.

    主要方法:

    • 设计了一个微波光子通道接收器,使用双光学频率 (OFC).
    • 在硬件层面,在所有通道中设计了系统以实现相同的相位动.
    • 使用双色调,宽带LFM和QPSK信号进行实验以验证性能.

    主要成果:

    • 在所有通道中,在1.71度以内实现了根平均平方相动.
    • 成功重建了宽带LFM和QPSK信号.
    • 证明了LFM的稳定侧模式抑制比率和QPSK信号的稳定星座图.

    结论:

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    • 拟议的双OFC微波光子接收器提供高相位稳定性和对环境干扰的免疫力.
    • 这项工作代表了首次硬件级实施和实验性展示单一宽带数字信号的通道接收和合成.
    • 该系统为宽带信号的相位稳定通道接收提供了强大的解决方案,对于需要大量即时带宽的应用程序至关重要.