Easily Manufacturable GaAs/AlGaAs DFB Lasers with Shallow Surface Gratings and Oxide Aperture

Pengfei Zhang; Can Liu; Minwen Xiang; Xiang Ma; Su Tan; Xiangyang Dai; Jia Liu; Gongyuan Zhao; Bao Tang; Qiaoyin Lu; John F. Donegan; Weihua Guo

doi:10.1364/CLEO_SI.2020.STu3M.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper STu3M.7
•https://doi.org/10.1364/CLEO_SI.2020.STu3M.7

Easily Manufacturable GaAs/AlGaAs DFB Lasers with Shallow Surface Gratings and Oxide Aperture

Pengfei Zhang, Can Liu, Minwen Xiang, Xiang Ma, Su Tan, Xiangyang Dai, Jia Liu, Gongyuan Zhao, Bao Tang, Qiaoyin Lu, John F. Donegan, and Weihua Guo

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Narrow- Linewidth Lasers (STu3M)

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P. Zhang, C. Liu, M. Xiang, X. Ma, S. Tan, X. Dai, J. Liu, G. Zhao, B. Tang, Q. Lu, J. F. Donegan, and W. Guo, "Easily Manufacturable GaAs/AlGaAs DFB Lasers with Shallow Surface Gratings and Oxide Aperture," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper STu3M.7.

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Abstract

An easily manufacturable oxide-aperture ridge-waveguide GaAs/AlGaAs DFB laser has been demonstrated with first-order surface-gratings shallowly etched into the ridge. Uncoated devices exhibit threshold-current of 10 mA and SMSR>40 dB. Stable single-mode operation has been observed over the temperature range from 10 to 50 °C.

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