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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 半导体激光器半导体激光器
    • 中红外技术 中红外技术

    背景情况:

    • 中红外激光在散热和实现相位操作方面面临挑战.
    • 跨带级联激光器 (ICL) 为中红外应用提供了潜力,但需要改进的光束控制.

    研究的目的:

    • 设计和制造一个相锁互带级联激光 (ICL) 阵列.
    • 为了利用多模干扰 (MMI) 合器,使多个发射器连贯运行.
    • 为了解决中红外激光器的散热和相位运行挑战.

    主要方法:

    • 一个7.5μm宽的脊ICL阵列的制造.
    • 嵌入多模干扰 (MMI) 合器用于相锁.
    • 远场图案和光束质量的表征 (M2).

    主要成果:

    • 通过定期和对称的干扰边缘实现了连贯的操作.
    • 使用MMI合器证明了有效的相锁.
    • 通过抑制的更高阶模式,获得了近乎衍射受限的光束质量 (M2 ≈ 1.31).
    • 提供高输出功率 (390mW来自1×4阵列).

    结论:

    • 与MMI合的ICL阵列有效地实现了相锁和相内运行.
    • 该设计显示了强大的性能和可扩展性,用于高功率的中红外应用.
    • ICL阵列显示了作为先进光子系统的光学相位阵列的潜力.