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

页码：13131 / 13140

页数：10

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