| 自陡峭效应对色散缓变光纤的调制不稳定性影响 |
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| 引用本文： | 李冬萍,魏建宇,任志君.自陡峭效应对色散缓变光纤的调制不稳定性影响[J].兰州大学学报(自然科学版),2005,41(5):84-87. |
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| 作者姓名： | 李冬萍 魏建宇 任志君 |
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| 作者单位： | [1]中国海洋大学物理系,山东青岛266071 [2]河南师范大学物理系,河南新乡453002 |
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| 摘 要： | 研究了自陡峭这一非线性效应对不同群色散剖面色散缓变光纤中调制不稳定性的影响,结果表明不同类型的色散缓变光纤中的色散缓变参数均存在一最佳值,在此值下增益谱的谱宽最宽,而当色散缓变参数大于某一值时增益谱宽为0.
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| 关 键 词： | 调制不稳定性 色散缓变光纤 自变陡效应 |
| 文章编号： | 0455-2059（2005）05-0084-04 |
| 收稿时间： | 10 21 2004 12:00AM |
| 修稿时间： | 2004-10-21 |
The effect of self-steeping on the modulation instability in decreasing dispersion fiber |
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| LI Dong-ping, WEI Jian-yu, REN Zhi-Jun.The effect of self-steeping on the modulation instability in decreasing dispersion fiber[J].Journal of Lanzhou University(Natural Science),2005,41(5):84-87. |
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| Authors: | LI Dong-ping WEI Jian-yu REN Zhi-Jun |
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| Institution: | 1. Department of Physics, Ocean University of China, Qingdao, Shandong, 266071, China; 2. Department of Physics, Henan Normal University, Xinxiang, Henan, 453002, China |
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| Abstract: | The effect of nonlinear self-steeping on the modulation instability in decreasing dispersion fiber (DDF) with different group dispersion profiles is investigated. The results showed that there were different best values on the dispersion decreasing parameter of different DDF and that the gain spectrum was the broadest. The gain spectrum was 0 when the value of the dispersion decreasing parameter exceeded a certain threshold. |
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| Keywords: | modulation instability decreasing dispersion fiber self-steeping |
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