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Observation of fundamental thermal noise in optical fibers down to infrasonic frequencies
Dong, Jing; Huang, Junchao; Li, Tang; Liu, Liang; litang@siom.ac.cn; liang.liu@siom.ac.cn
2016
发表期刊Appl. Phys. Lett.
卷号108期号:2
摘要The intrinsic thermal noise in optical fibers represents the ultimate limit for fiber-based systems. However, at infrasonic frequencies, the spectral behavior of the intrinsic thermal noise is still unclear. In this letter, we present measurements of the fundamental thermal noise in optical fibers that are obtained using a balanced fiber Michelson interferometer. When an ultra-stable laser is used as the laser source and other noise sources are carefully controlled, the 1/f spectral density of the thermal noise is observed down to infrasonic frequencies, and the measured magnitude is consistent with the results of theoretical predictions at frequencies over the range from 0.2 Hz to 20 kHz. Moreover, as observed experimentally, the level of the 1/f thermal noise can be reduced by changing the coatings of the optical fibers. This therefore indicates one possible way to reduce thermal noise in optical fibers at low Fourier frequencies. Finally, the inconsistency between the experimental data and the existing theory for thermomechanical noise is discussed. (C) 2016 AIP Publishing LLC.
文章类型Article
部门归属量光
DOI10.1063/1.4939918
资助者National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02]
收录类别SCI
资助者National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02] ; National Natural Science Foundation of China [11034008, 11274324]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-W02]
WOS记录号WOS:000370258400007
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27800
专题量子光学重点实验室
通讯作者litang@siom.ac.cn; liang.liu@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Dong, Jing,Huang, Junchao,Li, Tang,et al. Observation of fundamental thermal noise in optical fibers down to infrasonic frequencies[J]. Appl. Phys. Lett.,2016,108(2).
APA Dong, Jing,Huang, Junchao,Li, Tang,Liu, Liang,litang@siom.ac.cn,&liang.liu@siom.ac.cn.(2016).Observation of fundamental thermal noise in optical fibers down to infrasonic frequencies.Appl. Phys. Lett.,108(2).
MLA Dong, Jing,et al."Observation of fundamental thermal noise in optical fibers down to infrasonic frequencies".Appl. Phys. Lett. 108.2(2016).
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