High stable power control of a laser diode |
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| Authors: | Jiu-ru Yang Cheng Li Hong-an Ye Guo-hui Lü Shi-lou Jia |
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| Affiliation: | (1) School of Electronic Engineering, Heilongjiang University, 150080 Harbin, China;(2) Institute of Communication Engineering, Harbin Institute of Technology, 150001 Harbin, China |
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| Abstract: | In this paper, the low and the high frequency noises of a laser diode have been analyzed. Based on the analysis a novel scheme
that adapts analog and digital hybrid techniques is proposed to stabilize the output power of a laser diode. With the hybrid
controller, the low and the high frequency noises of a laser diode are conspicuously reduced. By accurate calculation, the
short-term stability of the output power of laser diode reaches ±0.55‰, and the long-term stability is ±0.7‰.
Supported by the National Natural Science Foundation of China (Grant No. F600077007) & Youth Science Foundation of Heilongjiang
University (Grant No. QL200410) |
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| Keywords: | CLC number" target="_blank">CLC number TN248 4 |
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