全光纤M-Z干涉仪激光器鉴频系统

贾豫东; 欧 攀; 张春熹; 王纪强

全光纤M-Z干涉仪激光器鉴频系统

北京航空航天大学仪器科学与光电工程学院, 北京 100191

详细信息

作者简介:
贾豫东(1975-),男,甘肃庆阳人,博士生,jyd_blueeye@126.com.

中图分类号: TN 248
计量
- 文章访问数: 4057
- HTML全文浏览量: 108
- PDF下载量: 1097
- 被引次数: 0
出版历程
- 收稿日期: 2008-11-03
- 网络出版日期: 2009-12-31

Laser frequency discriminator using all fiber unbalanced-arm Mach-Zehnder interferometer technique

School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 研究了不等臂M-Z干涉仪鉴频的基本原理,对采用三角波调制改变干涉仪臂长获得鉴频信号的过程进行了定量分析.在此基础上,仿真计算了线性改变干涉仪臂长和频率漂移对鉴频信号输出的影响,采用LiNbO₃相位调制器取代PZT(Piezo-Electric Transducer)调制方式,设计实现了鉴频实验装置,获得的实验结果与理论和仿真结果吻合.对驱动信号和环境扰动对该方案的影响进行了实验验证和理论分析,与 PZT调制方式相比,无需高精度温控装置,系统工作稳定可靠,信号调制动态范围可以从PZT调制方式下的几十Hz扩大到GHz.同时可以在该方案中采用lock-in确定相位-频率响应度,从而测定激光器的频率波动范围.
- 激光器 /
- 不等臂M-Z干涉仪 /
- 鉴频 /
- 相位调制器
Abstract: An improved laser frequency discriminator using all fiber unbalanced-arm Mach-Zehnder interferometer technique was studied in detail. The acquisition technique of frequency error signal through utilizing triangular wave to modulate the an arm of interferometer was analyzed quantitatively. The piezo-electric transducer (PZT)-type frequency modulator was replaced with LiNbO₃phase modulator. The interferometer output signal was calculated through emulator. An experimental setup to validate the theoretical analysis was constructed. The result was agreement with simulation result. The modulation signal and environment perturbations were evaluated through experiment. The result shows the system stability is improved greatly, and the modulation dynamic range is extended from Hz to GHz. The phase to frequency responsibility was measured by applying lock-in amplifier, and the peak to peak frequency fluctuation of measured laser can be calculated according to the phase to frequency responsibility.
- laser /
- unbalanced-arm Mach-Zehnder interferometer /
- frequency discriminator /
- phase modulator

HTML全文

参考文献(1)

[1] 雷仕湛. 激光技术手册[M]. 北京:科学出版社,1992:262-271 Lei Shizhan. Laser technology handbook[M]. Beijing: Science Press, 1992:262-271(in Chinese) [2] 欧攀,贾豫东,张春熹,等.窄线宽单频单偏振环行腔掺铒光纤激光器[J]. 北京航空航天大学学报, 2008, 34(11):1258-1260 Ou Pan, Jia Yudong, Zhang Chunxi, et al. Narrow-linewidth single-polarization Er-doped fiber ring laser[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(11):1258-1260 (in Chinese) [3] Gorju G, Jucha A, Jain A, et al. Active stabilization of a rapidly chirped laser by an optoelectronic digital servo-loop control[J]. Optics Letters, 2007, 32(5):484-486 [4] Chung W H, Tam H Y, Demokan M S, et al. Frequency stabilization of DBR fiber grating laser using interferometric technique[J]. IEEE Photonics Technology Letters, 2001, 13(9):951-953 [5] Greiner C, Boggs B, Wang T, et al. Laser frequency stabilization by means of optical self-heterodyne beat-frequency control[J]. Optics Letters, 1998, 23(16):1280-1282 [6] 廖延彪. 光纤光学[M]. 北京:清华大学出版社,2000:173-191 Liao Yanbiao. Fiber optics[M]. Beijing: Tsinghua University Press, 2000:173-191(in Chinese) [7] 贾豫东 ,欧攀 ,杨远洪,等. 短光纤延时自外差法测量窄线宽激光器线宽[J]. 北京航空航天大学学报, 2008, 34(5):568-571 Jia Yudong, Ou Pan, Yang Yuanhong, et al. Short fibre delayed self-heterodyne interferometer for ultranarrow laser linewidth measurement[J]. Journal of Beijing University of Aeronautics and Astronautics,2008,34(5):568-571(in Chinese) [8] Richter L E, Mandelberg H I, Kruger M S, et al. Linewidth determination from self-heterodyne measurements with subcoherence delay times[J]. IEEE Journal of Quantum Electronics, 1986, 22(11):2070-2074

施引文献

资源附件(0)

访问统计