| 1.65 μm square-FP coupled cavity semiconductor laser for methane gas detection |
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| 引用本文： | 樊碤润,肖金龙,沈征征,郝友增,刘家辰,杨珂,杨跃德,黄永箴.1.65 μm square-FP coupled cavity semiconductor laser for methane gas detection[J].Chinese Optics Letters,2022(6):34-38. |
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| 作者姓名： | 樊碤润 肖金龙 沈征征 郝友增 刘家辰 杨珂 杨跃德 黄永箴 |
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| 作者单位： | 1. School of Microelectronics, University of Chinese Academy of Sciences;2. State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences;3. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences |
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| 基金项目： | supported by the National Key R&D Program of China (No. 2017YFB0405301)； |
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| 摘 要： | We report a 1.65 μm square-Fabry–Pérot FP) coupled cavity semiconductor laser for methane gas detection. The laser output optical power can reach 7.4 m W with the side mode suppression ratio about 40 d B. The wavelength tuning range is 2 nm by adjusting the FP cavity injection current, covering the methane absorption line at 1653.72 nm. The lasing wavelength can also be tuned by adjusting the square microcavity injection current or temperature, respectively. Methane gas detection is successfull...
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