Single-mode surface-emitting DFB lasers with a large-area oxidized aperture based on the surface grating

被引：6

作者：

Liu, Can ^{[1
]}

Zhang, Pengfei ^{[1
]}

Xiang, Mingwen ^{[1
]}

Ma, Xiang ^{[1
]}

Jiang, Chun ^{[1
]}

Tang, Bao ^{[2
]}

Lu, Qiaoyin ^{[1
]}

Guo, Weihua ^{[1
]}

机构：

[1] Wuhan Natl Lab Optoelect, 1037 Luoyu Rd, Wuhan, Peoples R China

[2] China Informat & Commun Technol Grp Corp, Wuhan 430074, Peoples R China

来源：

OPTICS LETTERS | 2020年 / 45卷 / 13期

基金：

中国国家自然科学基金;

关键词：

VCSEL; TRANSMISSION;

D O I：

10.1364/OL.394744

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate an 850 nm single-mode surface-emitting distributed feedback laser based on the surface grating. The laser composes a secondorder grating section sandwiched by two first-order grating sections. The second-order grating provides not only surface emission, but also phase shift to remove the emission degeneracy. A high side-mode suppression ratio of 47 dB has been achieved. By employing a large-area rectangle-shaped oxidized aperture, a low threshold current of 1.8 mA and a low differential resistance of 59 Omega are successfully achieved. in a horizontal-cavity surface-emitting laser. (C) 2020 Optical Society of America

引用

页码：3573 / 3576

页数：4

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