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基于AlGaAs微环的高分辨率平行脉冲混乱LiDAR.

Mingjie Wu, Yudi Zhao, Lehan Zhao

|December 19, 2025

概括

此摘要是机器生成的。

这项研究引入了一种新的AlGaAs微环LiDAR,实现分辨率为亚厘米,显著优于传统的化系统. 先进的混乱激光雷达为具有挑战性的环境提供了高精度的范围.

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科学领域:

光子学和光学工程的工程.
非线性光学是非线性光学.
传感技术传感技术

背景情况:

混沌激光雷达系统由于信号随机性而具有固有的反干扰能力.
传统的化 (Si₃N₄) 激光雷达系统在分辨率范围方面存在局限性.

研究的目的:

开发一个分厘米分辨率的光检测和测距 (LiDAR) 系统.
为了利用甲 (AlGaAs) 微环的高非线性,提高性能.

主要方法:

使用Lugiato-Lefever (LLE) 方程建模了一个AlGaAs激光雷达系统.
产生混乱的脉冲信号,使用20%的功率周期平方波,周期为50μs.
利用多波长光学的并行处理进行3D扫描.

主要成果:

实现了约0.9厘米的理论范围分辨率,比Si₃N₄激光雷达 (9.7厘米) 提高了十倍.
实验范围分辨率达到±0.29厘米,传输功率低至10dBm.
展示了8.61GHz的混乱信号带宽,明显比Si₃N₄混乱 (∼0.85GHz) 宽得多.

结论:

开发的AlGaAs微环LiDAR提供了卓越的范围分辨率和防噪能力.
该系统的高分辨率和低功耗有利于在高干扰环境中的应用.
这项技术为在苛刻条件下进行先进的3D成像和传感铺平了道路.