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相关实验视频

Updated: Sep 11, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
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基于增强的自我加热效果的超宽带矩阵DFB激光阵列.

Yaqiang Fan, Zhenxing Sun, Yue Zhang

    Optics express
    |August 13, 2025
    PubMed
    概括
    此摘要是机器生成的。

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    Food chemistry·2026

    本研究介绍了一种超宽带分布式反 (DFB) 激光阵列,具有增强的自我加热,用于精确的波长控制. 这种新的设计实现了60纳米的调范围,非常适合DWDM和光学传感应用.

    科学领域:

    • 光子学和半导体激光器 半导体激光器
    • 集成光学 集成光学 集成光学
    • 光电子设备 光电子设备

    背景情况:

    • 分布反 (DFB) 激光器对于光通信系统至关重要.
    • 在集成激光阵列中实现精确的波长控制和广泛的调范围仍然是一个挑战.
    • 现有的制造方法可能很复杂,并限制性能.

    研究的目的:

    • 提出和演示一个超宽带DFB激光阵列,具有增强的自我加热,以提高性能.
    • 为了实现精确的波长控制和单体激光阵列中广泛的连续调范围.
    • 与传统方法相比,为了简化制造复杂性.

    主要方法:

    • 一个由12个DFB激光器组成的4x3矩阵阵列的单体集成.
    • 使用重建-等价-切尔普技术进行格子制造和波长间距控制.
    • 采用级联式Y分支用于单波导输出,并集成半导体光学放大器 (SOA).
    • 优化p导波器的兴奋剂,以增强自加热效应,以增加波长电流调节范围.

    主要成果:

    • 展示了一个4x3 DFB激光阵列,波长间隔为5nm,精确控制 (±0.2nm偏差).
    • 每个激光单元的波长当前调范围达到5.8nm.

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    相关实验视频

    Last Updated: Sep 11, 2025

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  • 在没有热电冷却器 (TEC) 调整的情况下,为阵列获得了60nm的连续调整范围.
  • 报告的输出功率>55 mW,RIN <-130 dB/Hz,SMSR>45 dB.

    • 结论:

    • 在DFB激光器中,增强的自我加热效应使得波长的精确控制和广的调节范围成为可能.
    • 拟议的矩阵DFB激光阵列提供了减少的制造复杂性和高性能.
    • 这种可调节激光技术非常适合密集波长分割多重复合 (DWDM) 和光学传感系统.