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集成的酸光学相位阵列用于二维光束转向.

Gongcheng Yue, Yang Li

    Optics letters
    |July 14, 2023
    PubMed
    概括

    集成酸光学相控阵列 (OPAs) 提供高速和低功耗. 这项研究展示了一种新的LN OPA,具有用于各种应用的先进光束转向功能.

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    科学领域:

    • 光子学和光学工程 光子学和光学工程
    • 材料科学 (酸) 材料科学 (酸)

    背景情况:

    • 光学相位阵列 (OPA) 对于像LiDAR和自由空间通信这样的应用至关重要.
    • 集成酸 (LN) 光子学提供高电光学调制速度,低驱动电压和低光学损失,非常适合先进的OPA.

    研究的目的:

    • 为了呈现一个集成的尼酸盐光学相位阵列 (OPA),在近红外模式下运行.
    • 为了证明开发的LN OPA的性能能力,包括光束方向,光束质量和功率效率.

    主要方法:

    • 使用尼酸盐光子学制造集成光学相位阵列.
    • 对OPA的二维光束转向范围的实验性表征.
    • 测量远场光束特征,包括半最大时的全宽度和侧叶抑制.
    • 评估相调节器的半波电压.

    主要成果:

    • 实现了24° × 8°二维光束转向.
    • 证明了一个远场光束点的全宽度在最大的一半为2° × 0.6°.
    • 达到了10dB的侧叶抑制水平.
    • 阶段调节器显示低半波电压为6V.

    结论:

    • 集成的LN OPA表现出卓越的性能,包括高速光束转向和低功耗.
    • 该设备的功能适合常规应用,并允许新型用途,如高密度点云生成和断层全息.

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