Hybrid III-V/silicon laser with laterally coupled Bragg grating

In this paper, we demonstrate a compact electrically pumped distributed-feedback hybrid III-V/silicon laser with laterally coupled Bragg grating for the first time to the best of our knowledge. The hybrid laser structure consists of AlGaInAs/InP multi-quantum-well gain layers on top of a laterally c...

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Published inOptics express Vol. 23; no. 7; pp. 8800 - 8808
Main Authors Cao, Yu-Lian, Hu, Xiao-Nan, Luo, Xian-Shu, Song, Jun-Feng, Cheng, Yuanbing, Li, Cheng-Ming, Liu, Chong-Yang, Wang, Hong, Tsung-Yang, Liow, Lo, Guo-Qiang, Wang, QiJie
Format Journal Article
LanguageEnglish
Published United States 06.04.2015
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Summary:In this paper, we demonstrate a compact electrically pumped distributed-feedback hybrid III-V/silicon laser with laterally coupled Bragg grating for the first time to the best of our knowledge. The hybrid laser structure consists of AlGaInAs/InP multi-quantum-well gain layers on top of a laterally corrugated silicon waveguide patterned on a silicon on insulator (SOI) substrate. A pair of surface couplers is integrated at the two ends of the silicon waveguide for the optical coupling and characterization of the ouput light. Single wavelength emission of ~1.55µm with a side-mode-suppression- ratio larger than 20dB and low threshold current density of 1.54kA/cm(2) were achieved for the device under pulsed operation at 20 °C.
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content type line 23
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.008800