12 January 2018 Research progress of laterally coupled DFB-LD
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The laterally coupled DFB-LD shows unique advantages to achieve single longitudinal mode LD, which has attracted the attention of researchers both at home and abroad in recent years. The laterally coupled DFB-LD can not only effectively solve wavelength stability problem of a LD, but also can realize high performance devices owing to its easy preparation technology. It is of great importance to the development of small, efficient and low-cost wavelength locked semiconductor lasers. In this paper, we analyzed laterally coupled DFB-LD in terms of its structural characteristics, operating mechanism, and output characteristics. As the grating position is different from that of the traditional Bragg grating, different fabrication means are explored and compared. Therefore, its progress over the world is reviewed, and its wide applications are forecasted.
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Guangli Yue, Guangli Yue, Jiabin Zhang, Jiabin Zhang, Zhiwei Wang, Zhiwei Wang, Xin Zhang, Xin Zhang, Yang Li, Yang Li, Jianlai Xie, Jianlai Xie, Xia Wang, Xia Wang, Yongqin Hao, Yongqin Hao, } "Research progress of laterally coupled DFB-LD", Proc. SPIE 10619, 2017 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications, 106190T (12 January 2018); doi: 10.1117/12.2295544; https://doi.org/10.1117/12.2295544

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