Knowledge Management System Of Institute of Semiconductors,CAS
| Optimal distance from high power laser diode to cylindrical microlens in a coupling system | |
Wang Xiaowei; Ma Xiaoyu; Xiao Jianwei; Fang Gaozhan; Feng Xiaoning; Liu Yuanyuan; Liu Bin
| |
| 2003 | |
| Source Publication | Chinese Optics Letters
 |
| Volume | 1Issue:2Pages:96-98 |
| Abstract | In a practical coupling system, a cylindrical microlens is used to collimate the emission of a high powerlaser diode (LD) in the dimension perpendicular to the junction plane. Using passive alignment, the LD isplaced in the focus of the cylindrical microlens generally, regardless of the performance of the multimodeoptical fiber and the LD. In this paper, a more complete analysis is arrived at by ray-tracing technique,by which the angle θ of the ray after refraction is computed as a function of the angle θo of the ray beforerefraction. The focus of the cylindrical microlens is not always the optimal position of the LD. In fact, inorder to achieve a higher coupling efficiency, the optimal distance from the LD to the cylindrical microlensis dependent on not only the radius R and the index of refraction n of the cylindrical microlens, but alsothe divergence angle of the LD in the dimension perpendicular to the junction plane and the numericalaperture (NA) of the multimode optical fiber. The results of this discussion are in good agreement withexperimental results. |
| metadata_83 | 中科院半导体所国家光电子工艺中心 |
| Subject Area | 半导体器件 |
| Indexed By | CSCD |
| Language | 英语 |
| CSCD ID | CSCD:1586361 |
| Date Available | 2010-11-23 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.semi.ac.cn/handle/172111/17513 |
| Collection | 中国科学院半导体研究所（2009年前） |
| Recommended Citation GB/T 7714 | Wang Xiaowei,Ma Xiaoyu,Xiao Jianwei,et al. Optimal distance from high power laser diode to cylindrical microlens in a coupling system[J]. Chinese Optics Letters,2003,1(2):96-98. |
| APA | Wang Xiaowei.,Ma Xiaoyu.,Xiao Jianwei.,Fang Gaozhan.,Feng Xiaoning.,...&Liu Bin.(2003).Optimal distance from high power laser diode to cylindrical microlens in a coupling system.Chinese Optics Letters,1(2),96-98. |
| MLA | Wang Xiaowei,et al."Optimal distance from high power laser diode to cylindrical microlens in a coupling system".Chinese Optics Letters 1.2(2003):96-98. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 4773.pdf（128KB） | 限制开放 | -- | Application Full Text | |||
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