基于组合透镜与渐变折射率光纤改进激光器耦合效率的新方法

延凤平; 刘鹏; 谭中伟; 陶沛琳; 李琦; 彭万敬; 冯亭; 谭思宇

doi:10.7498/aps.61.164202

摘要

提出一种利用组合透镜系统与渐变折射率光纤相结合改进激光器管芯到单模尾纤耦合性能的新方法. 这种方法首先利用组合透镜系统对具有像散的激光器输出光束进行整形, 然后采用渐变折射率光纤对整形后的光束进行聚焦处理, 并将处理后的的光束耦合进入普通单模光纤. 利用Jones矩阵理论分析表明, 采用这种方法可以得到86%的功率耦合效率, 1 dB插入损耗对应的渐变折射率光纤长度、横向偏移和倾斜角容差分别为60 m, 30 m和2.4, 且结构简单, 便于操作, 特别适合于大功率激射的激光模块到单模光纤的耦合. 对于提高激光器输出功率, 改善光束质量具有重要意义.

关键词:

像散 /
组合透镜 /
光束整形 /
耦合

Abstract

In this paper, a novel method of improving coupling effiency of laser diode to single mode fiber based on synthesized lens with graduaed index fiber is provided. The output beam with large astigmatism from laser diode is shaped and focused via synthesized lens and graduaed index fiber, and then couplied into single mode fiber. Analysis using Jones matrix theory indicates that the power coupler effect of 86% is obtained from output port of the single mode fiber. The tolerances for fiber length of graduaed index fiber, radial offset and tilt degree are 60 m, 30 m and 2.4 degree respectivily for 1 dB insert loss. This method can be used for improving the quality of optical beam and increasing output power for laser diode to single mode fiber with a large output optical power.

Keywords:

作者及机构信息

1.
北京交通大学光波技术研究所, 北京 100044;

2.
全光网络与现代通信网教育部重点实验室, 北京 100044;

3.
邢台学院物理系, 邢台 054001

基金项目: 国家自然科学基金 (批准号: 60877042, 61077069); 河北省高等学校技术研究指导项目(批准号：Z2011201) 和邢台市科学技术与发展计划(批准号：2011ZZ052-4)资助的课题.

Authors and contacts

1.
Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;

2.
Key Laboratry of All Optical Networks and Advanced Communication Networks, Ministry of Education, Beijing 100044, China;

3.
Physics Department of Xingtai College, Xingtai 054001, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 60877042, 61077069), the Science and Technology Research Project of Colleges and Universities in Hebei Province, China (Grant No. Z2011201), and the Science and Technology Development Project of Xingtai, China (Grant No. 2011ZZ052-4).

参考文献

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施引文献

[1]	Ogura A, Shiraishi K 2002 J. Light. Tech. 20 49
[2]	Shiraishi K, Yoda H, Endo T 2004 IEEE Photo. Tech. Lett. 16 1104
[3]	He Y Z, Shi F G 2006 Opt. Commun. 260 127
[4]	Xiong D Y, Li Z F, Chen X S, Li N, Zhen H L, Lu W 2007 Acta Phys. Sin. 56 6648 (in Chinese) [熊大元, 李志锋, 陈效双, 李宁, 甄红楼, 陆卫 2007 56 6648]
[5]	Kishimoto R, Koyama M 1982 IEEE Trans. Microw. Theory Tech. 30 882
[6]	Ogura A, Kuchiki S, Shiraishi K 2001 IEEE Photo. Tech. Lett. 13 1191
[7]	Joyce W B, DeLoach B C 1984 Appl. Opt. 23 4187
[8]	Saruwatari M, Sugie T 1981 IEEE J. Quantum. Elect. 17 1021
[9]	Zhao G Y, Zhang Y X, Wang J Y, Jia J J 2010 Acta Phys. Sin. 59 1378 (in Chinese) [赵贵燕, 张逸新, 王建宇, 贾建军 2010 59 1378]
[10]	Jian X G, Wu F T 2008 Acta Phys. Sin. 57 4202 (in Chinese) [江新光, 吴逢铁 2008 57 4202]
[11]	Yeh S M, Huang S Y, Cheng W H 2005 J. Light. Tech. 23 1781
[12]	Bludau W, Rossberg R 1985 J. Light. Tech. 3 294
[13]	Yoda H, Shiraishi K 2001 J. Light. Tech. 19 1910
[14]	Yoda H, Sakurai T, Ogura A, Shiraishi K 2001 Proceedings of European Conference on Optical Communication (ECOC '01) Amsterdam, the Netherlands, September 30-October 4, 2001 p418
[15]	Kuwahara H, Sasaki M, Tokoyo N 1980 Appl. Opt. 19 2578
[16]	Hillerich B, Guttmann J 1989 J. Light. Tech. 7 99
[17]	Presby H M, Edwards C A 1992 IEEE Photo. Tech. Lett. 4 897
[18]	Kotsas A, Shiraz H G, Maclean T S M 1991 Opt. Quantum. Elect. 23 367
[19]	Yang H M, Huang S Y, Lee C W 2004 J. Light. Tech. 22 1395
[20]	Modavis R A, Webb T W 1995 IEEE Photo. Tech. Lett. 7 798
[21]	Li J L, Lü B D 2008 Acta Phys. Sin. 57 3006 (in Chinese) [李建龙, 吕百达 2008 57 3006]
[22]	Tang Z, Zhang R, Mondal S K 2001 Opt. Commun. 199 95
[23]	Thual M, Chanclou P, Gauttreau O 2003 Elect. Lett. 39 1504
[24]	Yeh S M, Lu Y K, Huang S Y 2004 J. Light. Tech. 22 1374
[25]	Lin I E 2005 Precision Eng. 29 146

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