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基于单晶CsPbBr3的垂直腔表面发射激光.

Shunya Aoyagi, Zhan Su, Gouen Weng

    Optics letters
    |January 16, 2025
    PubMed
    概括

    我们开发了一种高性能激光,使用单晶化 (CsPbBr) 微血小板. 这种新的方法证明了低值的高效单模激光,为先进的矿光电子设备铺平了道路.

    科学领域:

    • 材料科学 材料科学 材料科学
    • 光电学是指光电子产品.
    • 光子学是指光子学的使用方法.

    背景情况:

    • 全无机矿表现出优秀的光电子性能,可用于激光器,LED和太阳能电池等设备.
    • 高质量的单晶对于提高设备性能至关重要.
    • 垂直腔表面发射激光器 (VCSEL) 是光通信和传感的关键组件.

    研究的目的:

    • 通过使用单晶CsPbBr3微血小板来呈现一个高性能VCSEL.
    • 为了展示一个简单的基于溶液的制造方法,用于矿单晶装置.
    • 为了研究制造的VCSEL的激光特性和动态.

    主要方法:

    • 通过使用溶液工艺,在两个分布式布拉格反射器 (DBR) 之间将单晶CsPbBr3微血小板进行三明治制造VCSEL.
    • 激光性能的表征,包括值,模式和Q因子.
    • 时间分辨率光发光 (TRPL) 测量,使用线条相机分析激光发射动态.

    主要成果:

    • 从CsPbBr3 VCSEL获得了542nm的单模激光.
    • 证明了5μJ/cm2的低激光值.
    • 通过TRPL获得2893的高Q因子,并通过TRPL观察到皮秒级激光动态.

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    结论:

    • 通过使用矿单晶微板块制造高性能激光器件的新有效方法已被介绍.
    • 开发的CsPbBr3 VCSEL显示了需要高效和稳定的光发射的应用的巨大潜力.
    • 这项工作突显了单晶矿在推进光电子激光技术方面的承诺.