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.
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页数：3
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