锁频锁相宽带激光频率快速切换实验研究

doi:10.3969/j.issn.1007-5461.2025.06.005

量子电子学报 ›› 2025, Vol. 42 ›› Issue (6): 779-787.doi: 10.3969/j.issn.1007-5461.2025.06.005

锁频锁相宽带激光频率快速切换实验研究

李杨 1,2, 鲁思滨 1,3, 蒋敏 1,3, 孙川 1,2, 陈小莉 1,2, 付佳豪 1,2, 李润兵 1,3,4*, 王谨 1,3,4, 詹明生 1,3,4

1 中国科学院精密测量科学与技术创新研究院, 湖北武汉 430071; 2 中国科学院大学, 北京 100049; 3 合肥国家实验室, 安徽合肥 230088; 4 武汉量子技术研究院, 湖北武汉 430206

收稿日期:2024-03-21 修回日期:2024-05-15 出版日期:2025-11-28 发布日期:2025-11-28
通讯作者: E-mail: rbli@apm.ac.cn E-mail:E-mail: rbli@apm.ac.cn
作者简介:李杨 ( 1999 - ), 山西晋城人, 研究生, 主要从事原子干涉仪应用方面的研究。E-mail: liyang@apm.ac.cn
基金资助:
国家自然科学基金 (12104466, 11674362, 91536221, 91736311), "量子通信与量子计算机"国家科技重大专项 (2021ZD0300604), 国家重点研发计划 (2016YFA0302002), 中国科学院战略先导研究计划 (XDB21010100), 湖北省杰出青年科学基金 (2018CFA082)

Experimental study on rapid switching of phase‑locked and frequency‑locked broadband lasers

LI Yang 1,2 , LU Sibin 1,3 , JIANG Min 1,3 , SUN Chuan 1,2 , CHEN Xiaoli 1,2 , FU Jiahao 1,2 , LI Runbing 1,3,4*, WANG Jin 1,3,4 , ZHAN Mingsheng 1,3,4

1 Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China; 2 University of Chinese Academy of Sciences, Beijing 100049, China; 3 Hefei National Laboratory, Hefei 230088, China; 4 Wuhan Institute of Quantum Technology, Wuhan 430206, China

Received:2024-03-21 Revised:2024-05-15 Published:2025-11-28 Online:2025-11-28

摘要/Abstract

摘要： 原子干涉陀螺仪在科学研究和技术开发方面都具有广泛的应用前景, 开展高稳定性、低相位噪声且能够快速频率切换的激光频率锁定技术研究, 对提高原子干涉陀螺仪的测量精度和应用能力具有重要意义。本文提出了一种激光时分复用的同步频率切换方案, 通过对激光器的电流调制端口进行同步前馈, 实现了两台激光器在锁定状态下宽带激光频率的快速同步切换, 研制出高稳定性、低相位噪声的激光及光学系统。实验结果表明, 在频率切换前后, 激光的频率稳定性和相位噪声均保持了良好的性能, 激光的频率切换带宽达到1.2 GHz, 频率切换时间小于3 ms, 频率相对稳定性优于4 × 10−12 @20 s, 相位噪声优于−95 dBc/Hz@(0.1~10 kHz)。

关键词: 激光技术, 激光锁频, 激光锁相, 快速频率切频, 前馈控制, 原子陀螺

Abstract: Atomic interference gyroscopes have extensive application prospects in both scientific research and technological development. Conducting research on laser frequency locking technology with high stability, low phase noise, and the ability to rapidly switch frequencies is of great significance for improving the measurement accuracy and application capabilities of atomic interference gyroscopes. This article proposes a synchronous frequency-switching scheme for laser time-division multiplexing. By performing synchronous feed-forward on the current modulation port of the lasers, we have achieved rapid and synchronous frequency switching in broadband between two lasers in a locked state, and have developed a laser and optical system with high stability and low phase noise. Experimental results show that the frequency stability and phase noise of the laser maintain good performance before and after frequency switching. The frequency switching bandwidth of the laser reaches 1.2 GHz, the frequency switching time is less than 3 ms, the relative frequency stability is better than 4 × 10−12 @20 s, and the phase noise is better than −95 dBc/Hz@(0.1–10 kHz).

Key words: laser techniques, laser frequency locking, laser phase locking, rapid frequency switching, feedforward control, atomic gyroscope

中图分类号:

TN241

李杨, 鲁思滨, 蒋敏, 孙川, 陈小莉, 付佳豪, 李润兵, 王谨, 詹明生, . 锁频锁相宽带激光频率快速切换实验研究[J]. 量子电子学报, 2025, 42(6): 779-787.

LI Yang , , LU Sibin , , JIANG Min , , SUN Chuan , , CHEN Xiaoli , , FU Jiahao , , LI Runbing , WANG Jin , , ZHAN Mingsheng , . Experimental study on rapid switching of phase‑locked and frequency‑locked broadband lasers[J]. Chinese Journal of Quantum Electronics, 2025, 42(6): 779-787.

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锁频锁相宽带激光频率快速切换实验研究

Experimental study on rapid switching of phase‑locked and frequency‑locked broadband lasers

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