Distributed feedback laser with holographic-defined phase-shifted gratings

被引：0

作者：

Wang, Yen-Chieh ^{[1
]}

Chen, Rih-You ^{[1
]}

Hsieh, Ping-Feng ^{[1
]}

Lin, Wei ^{[2
]}

Chiu, Yi-Jen ^{[1
]}

Hung, Yung-, Jr. ^{[1
]}

机构：

[1] Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, Taiwan

[2] LandMark Optoelect Co, Tainan 731, Taiwan

来源：

2020 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC 2020) | 2020年

关键词：

distributed feedback laser; two-layer moire grating; laser interference lithography; phase-shifted grating; SEMICONDUCTOR;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Distributed feedback (DFB) lasers are popular light source in high-speed optical access networks; however, the production yield is generally low due to threshold degeneracy from uniform gratings. In this work a holographic-defined two-layer moire grating structure is utilized to provide a quarter-wavelength phase shift in DFB lasers. In experiments, 200-mu m-long DFB lasers exhibit excellent single-wavelength operating behavior (SMSR > 42 dB) in terms of Bragg wavelength, high-speed modulation capability (f(3dB) = 22 GHz), and high device yield of 86% from 320 laser dies.

引用

页数：3

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