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    科学领域:

    • 光电学是指光电子产品.
    • 半导体激光器半导体激光器

    背景情况:

    • 分布反 (DFB) 激光器对于光通信至关重要.
    • 同时实现高输出功率,低噪音和窄线宽仍然是一个挑战.

    研究的目的:

    • 为了展示一种新的部分波纹波导分布式反 (PCW-DFB) 激光器.
    • 为了实现高性能指标的单横模式操作.

    主要方法:

    • 使用偏移量子井结构来确保足够的值增强差异.
    • 使用基于合波方程的模拟模型设计了激光.
    • 制造了一个8μm宽的脊波导PCW-DFB激光器.

    主要成果:

    • 实现单模式运行,侧模式抑制比 (SMSR) 超过55dB.
    • 显示出超过190mW的输出功率,用于1.3mm的腔长.
    • 记录的相对强度噪声 (RIN) 低于-160.5dB/Hz,线路宽度为45kHz.

    结论:

    • 开发的PCW-DFB激光显示出出色的性能特性.
    • 偏移量子井设计有效地实现了稳定的单横模式运行.
    • 这种激光器是需要高功率和光谱纯度的应用程序的有希望的候选者.