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可编程的多波长分布式反激光阵列集成在液晶聚合物波导中.

Zhaoyi Wang, Peizhi Sun, Conglong Yuan

    Optics letters
    |October 15, 2024
    PubMed
    概括

    本研究介绍了一种新型的薄膜激光阵列,使用可编程液晶 (LC) 聚合物,用于集成光子学中快速,高分辨率的波长切换. 该设备可实现高效的波长调制和传播,用于先进的光学应用.

    科学领域:

    • 光子学和光学工程 光子学和光学工程
    • 材料科学 材料科学 材料科学
    • 集成光学 集成光学 集成光学

    背景情况:

    • 液晶 (LC) 分布反 (DFB) 激光器对集成光子学有希望,但在波长切换,设备大小和技术兼容性方面面临挑战.
    • 现有的LC DFB激光器在波长间距和响应能力方面存在局限性,这阻碍了它们在先进光学系统中的广泛采用.

    研究的目的:

    • 开发一种薄膜多波长DFB激光阵列,具有增强的波长切换功能.
    • 解决当前LC DFB激光器在集成,响应和波长间隔方面的局限性.

    主要方法:

    • 利用高分辨率的图案可编程尼马特LC聚合物,创建多波长DFB激光阵列.
    • 设计了一种专门用于激光传播和调制的LC波导.
    • 通过控制LC分子方向来调节DFB激光器的有效折射率.

    主要成果:

    • 实现了快速的波长切换,在波长分割多重化通道之间的高分辨率间隔.
    • 在阵列中的每个激光器中保持稳定的单一纵向模式 (SLM).
    • 通过LC波导证明有效的波长调制和传播,包括曲,通过LC波导.
    • 观察到激光操作的相对较低的能量值.

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    结论:

    • 拟议的薄膜LC DFB激光阵列克服了以前的局限性,提供了更好的集成和响应能力.
    • 该设备可实现精确的波长控制和高效的光传播,适用于高集成光子应用.
    • 这一进步为光通信和传感领域的下一代可调节激光器铺平了道路.