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    科学领域:

    • 光子学是指光子学的使用方法.
    • 半导体激光器半导体激光器
    • 光学通信是指光学通信.

    背景情况:

    • 分布反 (DFB) 激光器对于波长分割复杂化 (WDM) 系统至关重要.
    • 精确的波长控制和广泛的调范围对于先进的光学网络至关重要.

    研究的目的:

    • 开发和演示一个超宽带,精确调节的波长锁定DFB激光阵列.
    • 为了提高制造简单性和波长控制精度.

    主要方法:

    • 使用重建相当的声技术进行格子制造.
    • 集成了一个级联式Y分支用于单波导输出和一个半导体光学放大器.
    • 实施了一个波长锁定反控制系统,采用Fabry-Perot标准.

    主要成果:

    • 实现了一个8x4 DFB激光阵列,具有80nm调范围.
    • 证明了精确的波长控制 (对>94%的单位的±0.2nm偏差).
    • 实现了高侧模式抑制比率 (>40dB>97%) 和相对低强度噪声 (<-130dB/Hz).
    • 在<250μs和最小波长漂移 (<10pm超过-10到70°C) 中达到2分钟的调整精度.

    结论:

    • 开发的DFB激光阵列提供了卓越的波长稳定性和精确的调整性.
    • 这项技术对未来的数据中心,大都市传输和使用密集WDM的接入网络具有很高的前景.