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Tunable compensation of GVD-induced FM-AM conversion in the front end of high-power lasers
Li, Rao; Fan, Wei; Jiang, Youen; Qiao, Zhi; Zhang, Peng; Lin, Zunqi; fanweil@siom.ac.cn
2017
Source PublicationAppl. Optics
Volume56Issue:4Pages:993
AbstractGroup velocity dispersion (GVD) is one of the main factors leading to frequency modulation (FM) to amplitude modulation (AM) conversion in the front end of high-power lasers. In order to compensate the FM-AM modulation, the influence of GVD, which is mainly induced by the phase filter effect, is theoretically investigated. Based on the theoretical analysis, a high-precision, high-stability, tunable GVD compensatory using gratings is designed and experimentally demonstrated. The results indicate that the compensator can be implemented in high-power laser facilities to compensate the GVD of fiber with a length between 200-500 m when the bandwidth of a phase-modulated laser is 0.34 nm or 0.58 nm and the central wavelength is in the range of 1052.3217-1053.6008 nm. Due to the linear relationship between the dispersion and the spacing distance of the gratings, the compensator can easily achieve closed-loop feedback controlling. The proposed GVD compensator promises significant applications in large laser facilities, especially in the future polarizing fiber front end of high-power lasers. (C) 2017 Optical Society of America
SubtypeArticle; Proceedings Paper
Department联合
DOI10.1364/AO.56.000993
Funding OrganizationNational Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211]
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211] ; National Natural Science Foundation of China (NSFC) [61405211]
WOS IDWOS:000394309200065
Citation statistics
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/27923
Collection高功率激光物理国家实验室
Corresponding Authorfanweil@siom.ac.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Li, Rao,Fan, Wei,Jiang, Youen,et al. Tunable compensation of GVD-induced FM-AM conversion in the front end of high-power lasers[J]. Appl. Optics,2017,56(4):993.
APA Li, Rao.,Fan, Wei.,Jiang, Youen.,Qiao, Zhi.,Zhang, Peng.,...&fanweil@siom.ac.cn.(2017).Tunable compensation of GVD-induced FM-AM conversion in the front end of high-power lasers.Appl. Optics,56(4),993.
MLA Li, Rao,et al."Tunable compensation of GVD-induced FM-AM conversion in the front end of high-power lasers".Appl. Optics 56.4(2017):993.
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