| 基于双节反射式半导体光放大器的再调制方案研究 |
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| 引用本文： | 江桂英,黄黎蓉. 基于双节反射式半导体光放大器的再调制方案研究[J]. 半导体学报, 2014, 35(5): 054008-5 |
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| 作者姓名： | 江桂英 黄黎蓉 |
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| 作者单位： | Wuhan National Laboratory for Optoelectronics, Huazhong University of Science & Technology |
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| 基金项目： | 国家高技术研究发展计划;高等学校博士学科点专项科研基金 |
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| 摘 要： | A simple and cost-effective remodulation scheme using a two-section reflective semiconductor optical amplifier （RSOA） is proposed for a colorless optical network unit （ONU）. Under proper injection currents, the front section functions as a modulator to upload the upstream signal while the rear section serves as a data eraser for efficient suppression of the downstream data. The dependences of the upstream transmission performance on the lengths and driven currents of the RSOA, the injection optical power and extinction ratio of the downstream are investigated. By optimizing these parameters, the downstream data can be more completely suppressed and the upstream transmission performance can be greatly improved.
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| 关 键 词： | 调制器 反射式 SOA 半导体光放大器 传输性能 光网络单元 成本效益 注入电流 |
Remodulation scheme based on a two-section reflective SOA |
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| Jiang Guiying and Huang Lirong. Remodulation scheme based on a two-section reflective SOA[J]. Chinese Journal of Semiconductors, 2014, 35(5): 054008-5 |
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| Authors: | Jiang Guiying and Huang Lirong |
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| Affiliation: | Wuhan National Laboratory for Optoelectronics, Huazhong University of Science & Technology, Wuhan 430074, China;Wuhan National Laboratory for Optoelectronics, Huazhong University of Science & Technology, Wuhan 430074, China |
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| Abstract: | A simple and cost-effective remodulation scheme using a two-section reflective semiconductor optical amplifier (RSOA) is proposed for a colorless optical network unit (ONU). Under proper injection currents, the front section functions as a modulator to upload the upstream signal while the rear section serves as a data eraser for efficient suppression of the downstream data. The dependences of the upstream transmission performance on the lengths and driven currents of the RSOA, the injection optical power and extinction ratio of the downstream are investigated. By optimizing these parameters, the downstream data can be more completely suppressed and the upstream transmission performance can be greatly improved. |
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| Keywords: | reflective semiconductor optical amplifier remodulation scheme optical network unit |
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