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相关实验视频

Updated: Sep 11, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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高分辨率阵列波导网格辅助的被动光学相位阵列用于2D光束方向.

Yuan Liu, Chongxin Zhang, Daniel M DeSantis

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

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    本研究介绍了一种高分辨率的光学相位阵列 (OPA),使用阵列波导网格 (AWGs). 它实现了前所未有的垂直分辨率,用于二维光束转向应用.

    科学领域:

    • 光子学 是一个光子学.
    • 光学工程是指光学工程.
    • 集成光学 集成光学 集成光学

    背景情况:

    • 集成的光学相位阵列 (OPA) 通过波长调节实现2D光束方向.
    • 在AWG辅助的OPA中,高垂直分辨率受到波导相位错误的限制.

    研究的目的:

    • 开发一个高分辨率的AWG辅助OPA,具有更好的垂直分辨率.
    • 为了减轻波导的相位误差,以提高光束转向性能.

    主要方法:

    • 使用了65通道的AWG辅助OPA,有5个输入.
    • 采用超低损耗化波导技术.
    • 实现横向磁模式操作以减轻相位误差.

    主要成果:

    • 通过单个输入实现了0.32°的垂直分辨率.
    • 证明光束宽度为0.55° × 0.07°和30°的水平FOV.
    • 使用所有5个输入,提高垂直分辨率到0.06°.
    • 展示了25° × 5° FOV的实时2D光束方向.

    结论:

    • 这项工作为基于AWG的OPA报告了最高的垂直分辨率.

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  • 开发的OPA技术适合于实际的二维光束转向应用.
  • 化波导和TM模式操作对于高分辨率的OPA是有效的.