| Controlling the gain shape of Er^3＋—doped fluorozirconate fibre amplifier by a coherent field |
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| 引用本文： | 张惠芳,吴金辉,高锦岳.Controlling the gain shape of Er^3＋—doped fluorozirconate fibre amplifier by a coherent field[J].中国物理 B,2003,12(2):178-183. |
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| 作者姓名： | 张惠芳 吴金辉 高锦岳 |
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| 作者单位： | College of Physics, Jilin University, Changchun 130023, China; Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun 130023, China;College of Physics, Jilin University, Changchun 130023, China; Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun 130023, China;College of Physics, Jilin University, Changchun 130023, China; Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun 130023, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 60078015), and by the Doctoral Program Foundation of Institutions of Higher Education of China (Grant No 19201038). |
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| 摘 要： | We proposed a four-level system to explore the quantum interference effects on optical amplification.We found that the gain of the probe.including positions and values of gain peaks,can be adjusted by changing the coherent field and the incoherent pumping.At the same time,we can also modify the absorption profile of electromagnetically induced transparency by the incoherent pump.The results provide a method to flatten the gain of Erbium-doped fibre amplifiers.
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| 关 键 词： | 激光 光纤维放大器 相干场 |
| 收稿时间： | 7/9/2002 12:00:00 AM |
Controlling the gain shape of Er3+-doped fluorozirconate fibre amplifier by a coherent field |
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| Zhang Hui-Fang,Wu Jin-Hui and Gao Jin-Yue.Controlling the gain shape of Er3+-doped fluorozirconate fibre amplifier by a coherent field[J].Chinese Physics B,2003,12(2):178-183. |
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| Authors: | Zhang Hui-Fang Wu Jin-Hui and Gao Jin-Yue |
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| Affiliation: | College of Physics, Jilin University, Changchun 130023, China; Key Laboratory of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun 130023, China |
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| Abstract: | We proposed a four-level system to explore the quantum interference effects on optical amplification. We found that the gain of the probe, including positions and values of gain peaks, can be adjusted by changing the coherent field and the incoherent pumping. At the same time, we can also modify the absorption profile of electromagnetically induced transparency by the incoherent pump. The results provide a method to flatten the gain of Erbium-doped fibre amplifiers. |
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| Keywords: | electromagnetically induced transparency erbium-doped fibre amplifiers |
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