Stable Coupling Efficiency of Semiconductor Lasers with Groove Structure

CUI Bi-feng; LI Sha; KONG Zhen-zhen; HUANG Xin-zhu; LING Xiao-han

doi:10.3788/fgxb20173805.0636

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Stable Coupling Efficiency of Semiconductor Lasers with Groove Structure

更新时间：2020-08-12

- Stable Coupling Efficiency of Semiconductor Lasers with Groove Structure
- Chinese Journal of Luminescence Vol. 38, Issue 5, Pages: 636-641(2017)
- 作者机构：
  
  北京工业大学光电子技术教育部重点实验室北京,100124
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(11204009);Innovation Capability Enhancement Program of The Education Commission of Beijing (TJSHG201310005001);Natural Science Foundation of Beijing (4142005);Youth Top-notch Program for Teachers Team Construction (Municipal)(PXM2016_014204_000017_00205938_FCG)
- DOI：10.3788/fgxb20173805.0636
  CLC： TN248.4
- Received：07 November 2016，
  
  Revised：03 February 2017，
  
  Published：05 May 2017
- 稿件说明：
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崔碧峰, 李莎, 孔真真等. 稳定耦合效率的沟槽结构半导体激光器[J]. 发光学报, 2017,38(5): 636-641

CUI Bi-feng, LI Sha, KONG Zhen-zhen etc. Stable Coupling Efficiency of Semiconductor Lasers with Groove Structure[J]. Chinese Journal of Luminescence, 2017,38(5): 636-641
崔碧峰, 李莎, 孔真真等. 稳定耦合效率的沟槽结构半导体激光器[J]. 发光学报, 2017,38(5): 636-641 DOI： 10.3788/fgxb20173805.0636.

CUI Bi-feng, LI Sha, KONG Zhen-zhen etc. Stable Coupling Efficiency of Semiconductor Lasers with Groove Structure[J]. Chinese Journal of Luminescence, 2017,38(5): 636-641 DOI： 10.3788/fgxb20173805.0636.

摘要

为了稳定半导体激光器激射光束在光纤传输过程的耦合效率，提出一种沟槽结构的半导体激光器，并对该结构激光器的光束、耦合效率及

P-I

特性进行研究。在普通条形半导体激光器的脊形区刻蚀了周期性的沟槽结构，来改善半导体激光器有源区的增益分布。通过对比普通结构与沟槽结构半导体激光器的光束分析，测试其耦合效率以及

P-I

特性。结果表明：沟槽结构的半导体激光器能够使光腔内模式更加稳定，输出光束更加集中，并避免了"Kink"效应的发生；与此同时，耦合效率提高至97.7%，并且较普通结构激光器更为稳定。沟槽结构半导体激光器有效地解决了光斑跳动问题，稳定了激光器的耦和效率。

Abstract

In order to stabilize the coupling efficiency of the laser beam from the semiconductor laser through optical fiber

a laser with groove structure was proposed

and the laser beam

coupling efficiency and

P-I

characteristics were researched. The periodic grooves in the ridge region of the laser were etched to improve the gain distribution in the active region of the laser. The laser beams of the common laser and the groove structure laser were analyzed

the coupling efficiency and

P-I

characteristics were tested. The results show that the strip laser with groove structure can stabilize the cavity mode

avoid the "Kink" effect and improve the coupling efficiency to 97.7%. The laser with groove structure can solve the phenomenon of optical filaments fluctuation effectively and improve the stability coupling efficiency of the beam.

关键词

Keywords

references

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