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[1] Wang Rugang, Zhang Xinran, Zhao Li, et al. Tunable photonic microwave generatedby multi-wavelength Brillouin fiber laser [J]. Journal of Southeast University (English Edition), 2017, 33 (1): 22-26. [doi:10.3969/j.issn.1003-7985.2017.01.004]
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Tunable photonic microwave generatedby multi-wavelength Brillouin fiber laser()
多波长布里渊激光器产生的可调谐微波信号
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
33
Issue:
2017 1
Page:
22-26
Research Field:
Information and Communication Engineering
Publishing date:
2017-03-30

Info

Title:
Tunable photonic microwave generatedby multi-wavelength Brillouin fiber laser
多波长布里渊激光器产生的可调谐微波信号
Author(s):
Wang Rugang1;  2;  Zhang Xinran1;  Zhao Li1;  Zhang Xuping3
1Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University, Nanjing 210096, China
2College of Information Engineering, Yancheng Institute of Technology, Yancheng 224051, China
3Institute of Optical Communication Engineering, Nanjing University, Nanjing 210093, China
王如刚1;  2;  张昕然1;  赵力1;  张旭苹3
1东南大学水声信号处理教育部重点实验室, 南京 210096; 2盐城工学院信息工程学院, 盐城 224051; 3南京大学光通信工程研究中心, 南京 210093
Keywords:
Brillouin frequency shift;  ring laser;  multi-wavelength;  microwave signal
布里渊频移;  环形腔激光器;  多波长;  微波信号
PACS:
TN911.72
DOI:
10.3969/j.issn.1003-7985.2017.01.004
Abstract:
Aimed at the problem of narrow tunability and low frequency microwave signal generated by the optical method, a novel approach to stabilizing the tunable photonic microwave generated by the multi-wavelength Brillouin fiber laser is proposed and is experimentally demonstrated. A single-longitudinal-mode Brillouin fiber laser is designed, and by using the laser, a multi-wavelength Brillouin fiber laser with more than eleven orders of Stokes wave is observed. The wavelength spacing of the adjacent Stokes wave is 0.085 nm. If the Brillouin pump power is increased, the number of Stokes wave output can be further increased. The tunable microwave signals of 10.8 and 21.6 GHz are obtained by heterodyning the Rayleigh wave and Stokes wave of the multi-wavelength Brillouin fiber laser. In the experiment, by tuning the pump wavelength and temperature of the gain fiber, microwave signals at different frequencies are generated. The tunable frequency range can be further expanded by using a temperature controller with a wider adjustment range, and the generated microwave signal exhibits high stability on frequency.
针对光学方法产生的微波信号具有调谐范围窄和频率低等问题, 提出并实验验证了一种通过多波长布里渊激光器来产生稳定可调谐微波信号的方法.设计了一种单纵模布里渊激光器, 利用该单纵模布里渊激光器获得了超过11阶斯托克斯波的多波长激光器, 其波长间隔为0.085 nm, 如果继续增加布里渊泵浦功率, 输出的斯托克斯波数量可进一步增加;通过差频瑞利散射信号和多波长激光器信号, 获得了中心频率为10.8和21.6 GHz的微波信号, 在实验中, 通过调节泵浦波长和增益光纤的温度, 产生了不同频率的微波信号.如果使用较宽温度调节范围的温度控制器可增加调谐范围, 且获得的微波信号具有较高的频率稳定性.

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Memo

Memo:
Biographies: Wang Rugang(1975—), male, doctor, associate professor; Zhao Li(corresponding author), male, doctor, professor, zhaoli@seu.edu.cn.
Foundation items: China Postdoctoral Science Foundation(No.2015M571637), the National Natural Science Foundation of China(No.61673108), the Program for Special Talent in Six Fields of Jiangsu Province(No.DZXX-028), the Industry, Education and Research Prospective Project of Jiangsu Province(No.BY2015057-39, BY2016065-03).
Citation: Wang Rugang, Zhang Xinran, Zhao Li, et al.Tunable photonic microwave generated by multi-wavelength Brillouin fiber laser[J].Journal of Southeast University(English Edition), 2017, 33(1):22-26.DOI:10.3969/j.issn.1003-7985.2017.01.004.
Last Update: 2017-03-20