| A broadband passive cavity for analyzing and filtering the noise of a femtosecond laser | |
| Xiang Xiao1,2; Wang Shao-Feng1,2; Hou Fei-Yan1,2; Quan Run-Ai1,2; Zhai Yi-Wei1,2; Wang Meng-Meng1,2; Zhou Cong-Hua1,2; Xu Guan-Jun1; Dong Rui-Fang1; Liu Tao1 | |
| 刊名 | Acta physica sinica
 |
| 2016-07-05 | |
| 卷号 | 65期号:13页码:8 |
| 关键词 | Passive cavity Femtosecond pulsed laser Intensity noise Phase noise |
| ISSN号 | 1000-3290 |
| DOI | 10.7498/aps.65.134203 |
| 通讯作者 | Dong rui-fang(dongruifang@ntsc.ac.cn) ; Liu tao(taoliu@ntsc.ac.cn) |
| 英文摘要 | In this paper, the noise filtering effect on a femtosecond laser source via a broadband passive cavity is analyzed in detail. the results show that a passive optical cavity not only can be used as a low-pass noise filter, but also can inter-convert the phase and amplitude fluctuations of a light beam after transmission or reflection. therefore, by measuring the intensity noise of the light field under test after transmission and reflection from a passive cavity, its phase noise properties can be explored. based on this theoretical model, an eight-mirror ring passive cavity with a finesse of 1500 and a free spectral range of 75 mhz is designed and built. with a commercial ti: sapphire femtosecond laser as a source, its intensity noises after transmission and reflection from the above cavity are measured with home-made self-homodyne detection setup. furthermore, with the help of the noise conversion model of the passive cavity, the phase noise of the femtosecond laser as well as its evolution through the cavity transmission and reflection is indirectly derived. the result shows that after transmission through the passive cavity, both the amplitude and phase noise of the femtosecond laser source are evidently suppressed and reach the shot noise limit at the analyzing frequency of 2 mhz. |
| WOS关键词 | OPTICAL FREQUENCY-SYNTHESIS ; PHASE |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 语种 | 英语 |
| 出版者 | CHINESE PHYSICAL SOC |
| WOS记录号 | WOS:000380364800015 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2375130 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Dong Rui-Fang; Liu Tao |
| 作者单位 | 1.Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiang Xiao,Wang Shao-Feng,Hou Fei-Yan,et al. A broadband passive cavity for analyzing and filtering the noise of a femtosecond laser[J]. Acta physica sinica,2016,65(13):8. |
| APA | Xiang Xiao.,Wang Shao-Feng.,Hou Fei-Yan.,Quan Run-Ai.,Zhai Yi-Wei.,...&Zhang Shou-Gang.(2016).A broadband passive cavity for analyzing and filtering the noise of a femtosecond laser.Acta physica sinica,65(13),8. |
| MLA | Xiang Xiao,et al."A broadband passive cavity for analyzing and filtering the noise of a femtosecond laser".Acta physica sinica 65.13(2016):8. |
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