Mode characteristic manipulation of random feedback interferometers in Brillouin random fiber laser

Zhou Zichao; Chen Liang; Bao Xiaoyi

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Mode characteristic manipulation of random feedback interferometers in Brillouin random fiber laser

机译：在布里渊随机光纤激光器中随机反馈干涉仪的模式特征操纵

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The Brillouin random fiber laser (BRFL) suffers from high intensity noise that comes mainly from longitudinal mode beating at different mode frequencies. In this Letter, we propose and demonstrate that the mode characteristic of BRFL can be manipulated by distributed random feedback, which acts as the longitudinal mode filter. A theoretical model is developed for the first time, to the best of our knowledge, to analyze the mode characteristics of BRFL with different lengths of a weak fiber Bragg grating (FBG) array. In experiment, a single FBG, weak FBG array (reflection of -40 dB) at various lengths, and a Rayleigh scattering fiber are used to provide the random feedback. Both theoretical analysis and experimental results show that single longitudinal mode operation can be realized with the distributed random feedback interferometer, leading to a stable temporal intensity output of the BRFL in the time domain. (C) 2020 Optical Society of America

机译：布里渊随机光纤激光器（BRFL）具有高强度噪声，主要来自不同模式频率的纵向模式。在这封信中，我们提出并证明可以通过分布式随机反馈来操纵BRFL的模式特征，其充当纵向模式滤波器。据我们所知，首次开发理论模型，以分析BRFL的不同长度弱光纤布拉格光栅（FBG）阵列的模式特征。在实验中，使用单个FBG，各个长度的弱FBG阵列（-40dB的反射），以及瑞利散射光纤用于提供随机反馈。理论分析和实验结果都表明，单个纵向模式操作可以用分布式随机反馈干涉仪实现，导致时域中的BRFL的稳定时间强度输出。（c）2020美国光学学会

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《Optics Letters》 |2020年第3期|共4页
作者
Zhou Zichao; Chen Liang; Bao Xiaoyi;
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Univ Ottawa Dept Phys 25 Templeton St Ottawa ON K1N 6N5 Canada;

Univ Ottawa Dept Phys 25 Templeton St Ottawa ON K1N 6N5 Canada;

Univ Ottawa Dept Phys 25 Templeton St Ottawa ON K1N 6N5 Canada;

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正文语种 eng
中图分类计量学;光学;
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1. Mode characteristic manipulation of random feedback interferometers in Brillouin random fiber laser [J] . Zhou Zichao, Chen Liang, Bao Xiaoyi Optics Letters . 2020,第3期

机译：在布里渊随机光纤激光器中随机反馈干涉仪的模式特征操纵
2. Mathematical Modeling of Random Coupling between Polarization Modes in Single-Mode Optical Fibers: XIV. Spectral Characteristics of Nonreciprocal Phase Difference of Counterpropagating Waves at the Output of a Fiber Ring Interferometer [J] . G. B. Malykin, V. I. Pozdnyakova Optics and Spectroscopy . 2007,第5期

机译：单模光纤中偏振模之间随机耦合的数学建模：XIV。光纤环形干涉仪输出处反向传播波的不可逆相位差的频谱特性
3. High-Speed Random Bit Generation via Brillouin Random Fiber Laser With Non-Uniform Fibers [J] . Song Gao, Liang Zhang, Yanping Xu, IEEE Photonics Technology Letters . 2017,第16期

机译：通过不均匀光纤的布里渊随机光纤激光器产生高速随机位
4. Longitudinal Modes in Random Feedback Fiber Lasers [C] . Pedro Tovar, Ynoquio H. Luis, Guilherme Temporão, Conference on Lasers and Electro-Optics . 2019

机译：随机反馈光纤激光器的纵向模式
5. Numerical validation of analytical homogenization models for the case of randomly distributed and oriented ellipsoidal fibers reinforced composites. [D] . Ghossein, Elias. 2014

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6. High-power ultralong-wavelength Tm-doped silica fiber laser cladding-pumped with a random distributed feedback fiber laser [O] . Xiaoxi Jin, Xueyuan Du, Xiong Wang, -1

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8. Time-Dependent Modeling of Brillouin Scattering in Optical Fibers Excited by a Chirped Diode Laser. [R] . Mungan, C. E., Rogers, S. D., Satyan, N., 2012

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Mode characteristic manipulation of random feedback interferometers in Brillouin random fiber laser

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