An improved method and experimental results of noise used as reliability estimation for semiconductor lasers |
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| Authors: | Guijun Hu Jiawei Shi Yingxue Shi Xiaosong Yang Jing Li |
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| Affiliation: | a Department of Optical Communication, College of Communication Engineering, Jilin University, Changchun 130012, China;b Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021, China;c College of Electronics Engineering, Jilin University, Changchun 130023, China |
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| Abstract: | The low-frequency noise is a sensitive non-destructive indicator of semiconductor devices reliability. In this paper, the noises in InGaAsP/InGaAs/GaAlAs double quantum well semiconductor laser diodes (LDs) are measured, and the correlation between the noise and device reliability is studied. The insults indicate that the noise level in the LDs operating in low bias current is very important for estimating device reliability. So when noise is used as reliability indicator, the noise levels in LDs operating in both low and higher bias current should be considered, which improves the validity of reliability estimation. |
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| Keywords: | Semiconductor lasers Reliability Noise |
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