| 飞秒光脉冲间相互作用的数值研究 |
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| 引用本文： | 田慧平,李仲豪,王钢,周国生. 飞秒光脉冲间相互作用的数值研究[J]. 光学学报, 2001, 21(5): 13-517 |
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| 作者姓名： | 田慧平 李仲豪 王钢 周国生 |
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| 作者单位： | 1. 山西大学电子系,
2. 山西大学电子系,北京大学区域光纤通信网与 |
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| 基金项目： | 国家自然科学基金! (10 0 740 41)，山西省自然科学基金!(9910 0 4)资助项目 |
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| 摘 要： | 通过数值模拟对飞秒光脉冲间的相互作用进行了研究，结果表明：飞秒孤子的相互作用与常规的皮秒孤子间的相互作用不同。后者在孤子间距较小的情况下，相互作用表现为周期性离合，而前者的相互作用更严重，在初始阶段其相互作用与皮秒孤子一致，而当两孤子合二为一后，一直处于排斥状态，孤子间距传输距离增加而增加，这在通信系统中将造成更大的误码率，传统的不等振幅法在一定程度上可有效地抑制飞秒孤子的相互作用。
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| 关 键 词： | 飞秒脉冲 孤子 相互作用 数值模拟 高阶非线性薛定谔方程 光纤传输 |
Numerical Research of Interaction Between Femtosecond Optical Pulses |
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| Tian Huiping+{)} Li Zhonghao+{)} Wang Gang+{)} Zhou Guosheng+{),)} ). Numerical Research of Interaction Between Femtosecond Optical Pulses[J]. Acta Optica Sinica, 2001, 21(5): 13-517 |
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| Authors: | Tian Huiping+{)} Li Zhonghao+{)} Wang Gang+{)} Zhou Guosheng+{) )} ) |
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| Affiliation: | Tian Huiping+{1)} Li Zhonghao+{1)} Wang Gang+{1)} Zhou Guosheng+{1),2)} 1),Department of Electronic and Information Technology,Shanxi University,Taiyun 030006 2),National Lab on Local Fiber|Optic Communication Networks and Advanced O |
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| Abstract: | The interaction between femtosecond optical pulses is studied by using numerical simulation. The results show that the interaction is different from that between picosecond optical pulses. Under the circumstance of nearer separation between solitons, the later is periodic repulsion and attraction, but the interaction of the former is more serious. At the initial moment, the interaction of femetosecone optical pulses is the same as that of picosecond optical pulse, but after the soliton pair become one pulse, they keep the state of repulsion and the separation between solitons increases along the distance. These can cause larger error code rate. The results also show that unequal amplitude method can reduce the interaction between femtosecond soliton in a certain degree. |
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| Keywords: | femetosecond pulse soliton interaction numerical simulation |
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