| Department | 自适应光学技术研究室（八室） |
| Adaptive SMF Coupling Based on Precise-Delayed SPGD Algorithm and Its Application in Free Space Optical Communication | |
| Huang, Guan1,2,3; Geng, Chao1,2; Li, Feng1,2; Yang, Yan1,2,3; Li, Xinyang1,2 | |
| Source Publication | IEEE PHOTONICS JOURNAL
 |
| Volume | 10Issue:3Pages:7904212 |
| 2018-06-01 | |
| Language | 英语 |
| ISSN | 1943-0655 |
| DOI | 10.1109/JPHOT.2018.2835721 |
| Indexed By | SCI ; Ei |
| WOS ID | WOS:000434451400001 |
| EI Accession Number | 20182305277570 |
| Subtype | J |
| Abstract | The adaptive coupling of laser beam from space into single-mode fiber (SMF) plays an important role in the fiber-based free space optical communication technology. This paper investigates a kind of adaptive SMF coupling system based on a novel corrector named adaptive fiber coupler, and an improved control algorithm named precisedelayed stochastic parallel gradient descent (PD-SPGD). Compared to the SPGD algorithm used previously, PD-SPGD can compensate for the inherent response delay of the controlled system by setting a precise time delay between the disturbed voltages and the performance metrics. The experimental results show that this new algorithm increases the iteration rate from 3 to 8 kHz and decreases the convergence time from 6.3 to 2.5 ms when the static angular errors was corrected. As a result, the control bandwidth of the sinusoidal angular jitters is more than doubled. At the end, a preliminary atmospheric compensation experiment over a 520 m near-ground propagation path is conducted to verify the effectiveness of the method mentioned above. |
| Keyword | Single-mode fiber coupling adaptive fiber coupler precise-delayed SPGD algorithm free space optical communication |
| WOS Keyword | SINGLE-MODE FIBER ; COHERENT ; TURBULENCE ; ARRAY ; EFFICIENCY ; RECEIVER |
| EI Keywords | Adaptive control systems ; Adaptive optics ; Bandwidth ; Couplings ; Delay control systems ; Fiber amplifiers ; Gradient methods ; Laser beams ; Optical fiber coupling ; Optical fibers ; Single mode fibers ; Stochastic systems ; Voltage control |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ioe.ac.cn/handle/181551/9279 |
| Collection | 自适应光学技术研究室（八室） |
| Affiliation | 1.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China; 2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China; 3.University of Chinese Academy of Sciences, Beijing; 100049, China |
| Recommended Citation GB/T 7714 | Huang, Guan,Geng, Chao,Li, Feng,et al. Adaptive SMF Coupling Based on Precise-Delayed SPGD Algorithm and Its Application in Free Space Optical Communication[J]. IEEE PHOTONICS JOURNAL,2018,10(3):7904212. |
| APA | Huang, Guan,Geng, Chao,Li, Feng,Yang, Yan,&Li, Xinyang.(2018).Adaptive SMF Coupling Based on Precise-Delayed SPGD Algorithm and Its Application in Free Space Optical Communication.IEEE PHOTONICS JOURNAL,10(3),7904212. |
| MLA | Huang, Guan,et al."Adaptive SMF Coupling Based on Precise-Delayed SPGD Algorithm and Its Application in Free Space Optical Communication".IEEE PHOTONICS JOURNAL 10.3(2018):7904212. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2018-2046.pdf（3224KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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