NDLI: Extremely Low-Threshold Current Density InGaAs/AlGaAs Quantum-Well Lasers on Silicon

Content Provider	IEEE Xplore Digital Library
Author	Jun Wang Xiaomin Ren Can Deng Haiyang Hu Yunrui He Zhuo Cheng Haoyuan Ma Qi Wang Yongqing Huang Xiaofeng Duan Xin Yan
Copyright Year	1983
Abstract	An InGaAs/AlGaAs quantum-well laser structure was grown on a silicon substrate by adopting a three-step grown thin (1.8 μm) and simple buffer layer. The whole structure was grown by metalorganic chemical vapor deposition. The material quality was characterized by transmission electron microscopy, photoluminescence spectra, and electrochemical capacitance-voltage profiler. It shows that the threading dislocation density and interface roughness are effectively reduced, and the active region's optical properties grown on a silicon substrate are comparable to that grown on a GaAs substrate. Broad stripe lasers have also been fabricated. The cavity length and stripe width are 1 mm and 15 μm, respectively. An extremely low-threshold current density of 313 A/cm² has been achieved under pulsed condition at room temperature. Meanwhile, the laser can operate under continuous wave condition at the temperature of 240 K. The above results make us more confident for realizing better performance of Si-based III-V semiconductor lasers by further improvement of the material growth method.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	3163
Ending Page	3169
Page Count	7
File Size	547722
File Format	PDF
ISSN	07338724
Volume Number	33
Issue Number	15
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon Gallium arsenide Substrates Laser modes Threshold current Buffer layers three-step growth Silicon photonics integrated optoelectronics III-V semiconductor lasers-on-silicon quantum-well lasers III–V semiconductor lasers-on-silicon Integrated optoelectronics silicon photonics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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