Beam control of high-power broad-area photonic crystal lasers using ladderlike groove structure

被引：7

作者：

Wang, Tao ^{[1
,2
]}

Wang, Lijie ^{[1
]}

Shu, Shili ^{[1
]}

Tian, Sicong ^{[1
]}

Lu, Zefeng ^{[1
,2
]}

Hou, Guanyu ^{[1
,2
]}

Lu, Huanyu ^{[1
,2
]}

Tong, Cunzhu ^{[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, Beijing 100049, Peoples R China

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 06期

基金：

中国国家自然科学基金;

关键词：

LATERAL-MODES;

D O I：

10.7567/APEX.10.062701

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The high-power broad-area (BA) photonic bandgap crystal (PBC) diode laser is promising as a high-brightness laser source, however, it suffers from poor lateral beam quality owing to the intrinsic drawback of BA lasers. In this paper, a ladderlike groove structure (LLGS) was proposed to improve both the lateral beam quality and emission power of BA PBC lasers. An approximately 15.4% improvement in output power and 25.2% decrease in the lateral beam parameter product (BPP) were realized and the underlying mechanism was discussed. On the basis of the onedimensional PBC epitaxial structure, a stable vertical far field was demonstrated. (C) 2017 The Japan Society of Applied Physics

引用

页数：4

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