| 利用马赫-增德尔干涉仪改善光纤激光器输出激光性能的研究 |
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| 引用本文： | 王倩倩,冯晋霞,姜振宇,李渊骥,张宽收. 利用马赫-增德尔干涉仪改善光纤激光器输出激光性能的研究[J]. 量子光学学报, 2020, 26(1): 71-76 |
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| 作者姓名： | 王倩倩 冯晋霞 姜振宇 李渊骥 张宽收 |
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| 作者单位： | 山西大学量子光学与光量子器件国家重点实验室,山西大学光电研究所,极端光学协同创新中心,太原030006 |
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| 基金项目： | 国家重点研发计划项目;山西省“1331工程”重点学科建设计划经费资助 |
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| 摘 要： | 本文设计了马赫-曾德尔干涉仪(MZI)在实验上改善1.5μm光纤激光器的输出性能,研究了MZI分束镜的反射率以及锁定MZI透过率对抑制激光输出噪声的影响。在MZI运转于最佳状态时,1.5μm光纤激光器的功率稳定性由±0.20%提升至±0.09%,激光的强度噪声在10 kHz^35 kHz分析频率范围内得到了抑制,在分析频率为15 kHz处,强度噪声降低了约8 dB,为制备1.5μm非经典光场提供了优质激光光源。
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| 关 键 词： | 马赫-曾德尔干涉仪 光纤激光器 强度噪声 光通信波段 非经典光场 |
Investigation on Improving the Output Performance of Fiber Laser using Mach Zehnder Interferometer |
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| WANG qian-qian,FENG Jin-xia,JIANG Zhen-yu,LI Yuan-ji,ZHANG Kuan-shou. Investigation on Improving the Output Performance of Fiber Laser using Mach Zehnder Interferometer[J]. Acta Sinica Quantum Optica, 2020, 26(1): 71-76 |
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| Authors: | WANG qian-qian FENG Jin-xia JIANG Zhen-yu LI Yuan-ji ZHANG Kuan-shou |
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| Affiliation: | (State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China) |
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| Abstract: | A Mach Zehnder interferometer(MZI)was designed to improve the output performance of 1.5μm fiber laser in our experiment.The influence of the reflectivity of beam splitter of the MZI and transmissivity of locking the MZI on suppressing the laser intensity noise were studied.When MZI operate in the optimizing state,the power stability of the 1.5μm fiber laser was improved from±0.20%to±0.09%,and the intensity noise was suppressed in the analysis frequency range from 10 kHz to 35 kHz.At the analysis frequency of 15 kHz,the intensity noise was restrained about 8 dB.The work provided a high-quality laser source for the preparation of 1.5μm nonclassical light field. |
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| Keywords: | Mach Zehnder interferometer fiber laser intensity noise telecommunication wavelength non classical light field |
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