Beam waist shrinkage of high-power broad-area diode lasers by mode tailoring

被引：14
|
作者：
Su, Jiaxin [1 ,2 ]
Tong, Cunzhu [1 ]
Wang, Lijie [1 ]
Wang, Yanjing [1 ,2 ]
Lu, Huanyu [1 ,2 ]
Zhao, Zhide [3 ]
Wang, Jun [3 ]
Tan, Shaoyang [3 ]
Shu, Shili [1 ]
Wang, Lijun [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Suzhou Everbright Photon Co Ltd, Suzhou 215000, Peoples R China
来源：
OPTICS EXPRESS | 2020年 / 28卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Semiconductor lasers - Diodes;
D O I：
10.1364/OE.390265
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new approach was proposed and its role in improvement of the beam quality of high-power broad-area diode lasers was demonstrated, in which a composite arrow array and trench microstructure was used to suppress the beam waist and tailor the high order lateral modes. The beam waist shows a special shrinkage with increasing injection current resulting from the combined effect of mode tailoring and the thermal lens effect. A 58% improvement in lateral beam parameter product was realized compared with conventional broad-area diode lasers. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：13131 / 13140
页数：10
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