Large-scale timing synchronization based on linear-optics timing detectors

Tong Wang

doi:10.1017/hpl.2025.30

2025-04-07

DOI：10.1017/hpl.2025.30

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摘要

En 中文

我们提出了一种基于线性光学的阿秒精度定时探测器。该探测器的最小测量下限为1×10⁻¹⁰ fs²/Hz，仅需1 mW的输入光功率。利用这项新技术，对5.2 km光纤链路的残余色散进行了表征和精确补偿。最后，开发了一个综合反馈模型，用于分析长距离链路稳定化系统中的噪声耦合。仿真结果表明，在[1 Hz, 1 MHz]积分带宽内，当每个光电探测器的输入光功率为1 mW时，时序探测器的环路外抖动仅为359 as。值得注意的是，该系统即使在240 nW的光功率水平下（对应5.2 km链路长度）或长达20 km的链路长度（光功率为1 μW）时，仍能保持亚飞秒精度。

Keyword:

dispersion compensation

link stabilization

metrology

timing synchronization

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期刊

High Power Laser Science and Engineering

IF:

5.7

论文数:

817

被引数:

1.9K

机构

tianjin university

学者数:

8.0W

论文数: 5.8W

被引数: 88

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