| 掺Er光纤飞秒激光器中高信噪比载波包络位相偏移频率获取的实验研究 |
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| 引用本文： | 曹士英,孟飞,方占军,李天初. 掺Er光纤飞秒激光器中高信噪比载波包络位相偏移频率获取的实验研究[J]. 物理学报, 2012, 61(6): 64208-064208 |
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| 作者姓名： | 曹士英 孟飞 方占军 李天初 |
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| 作者单位： | 中国计量科学研究院时间频率计量研究所, 北京, 100013;中国计量科学研究院时间频率计量研究所, 北京, 100013;中国计量科学研究院时间频率计量研究所, 北京, 100013;中国计量科学研究院时间频率计量研究所, 北京, 100013 |
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| 基金项目： | 国家重大科学研究计划 (批准号: 2010CB922902)、 中国计量科学研究院科研基金(批准号: 2002-AKY0928)和中国计量科学研究院博士专项科研启动基金(批准号: 2002-ATGQDB0902)资助的课题. |
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| 摘 要： | 在实验上分析了掺Er光纤光学频率梳中激光器与一级放大器之间光纤长度、 光纤扰动以及放大器抽运功率对倍频程光谱和载波包络位相偏移频率(f0)信噪比的影响. 通过系统优化, 实现了40 dB信噪比的f0输出, 为f0的长期锁定和光纤光学频率梳的实现提供了技术保障.
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| 关 键 词： | 掺Er光纤激光器 光纤光学频率梳 光学频率计量 |
| 收稿时间： | 2011-05-10 |
Experimental study on detection of the high signal-to-noise ratio of the carrier-envelope offset frequency in an Er-doped fiber femtosecond laser |
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| Cao Shi-Ying,Meng Fei,Fang Zhan-Jun and Li Tian-Chu. Experimental study on detection of the high signal-to-noise ratio of the carrier-envelope offset frequency in an Er-doped fiber femtosecond laser[J]. Acta Physica Sinica, 2012, 61(6): 64208-064208 |
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| Authors: | Cao Shi-Ying Meng Fei Fang Zhan-Jun Li Tian-Chu |
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| Affiliation: | Division of Metrology in Time and Frequency, National Institute of Metrology, Beijing 100013, China;Division of Metrology in Time and Frequency, National Institute of Metrology, Beijing 100013, China;Division of Metrology in Time and Frequency, National Institute of Metrology, Beijing 100013, China;Division of Metrology in Time and Frequency, National Institute of Metrology, Beijing 100013, China |
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| Abstract: | The key techniques for the realization of the femtosecond optical frequency comb are the detection of the carrier-envelop-offset frequency (f0) and the improvement of the signal to noise ratio (S/N) of f0. The influence of the length and the vibration of the fiber between the oscillator and the amplifier, and the pump power of the amplifier on the S/N of the f0 is experimentally studied. With optimized parameters, a f0 with 40 dB S/N is obtained in the Er-doped fiber femtosecond laser. |
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| Keywords: | Er: fiber femtosecond laser fiber optical frequency comb optical frequency metrology |
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