| 色散缓变光纤对皮秒光孤子的压缩效应 |
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| 引用本文： | 徐文成 廖常俊. 色散缓变光纤对皮秒光孤子的压缩效应[J]. 光子学报, 1994, 23(4): 327-334 |
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| 作者姓名： | 徐文成 廖常俊 |
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| 作者单位： | 华南师范大学量子电子学研究所 |
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| 基金项目： | 广东省科委青年科学基金 |
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| 摘 要： | 本文从描述超短光脉冲在色散缓变光纤(FSDD)中传输所满足的准非线性Schrodinger(NLS)方程出发,证明该方程与常规光纤中含增益效应时的NLS方程等价,并在此基础上进行了理论分析,讨论了光弧子脉冲在不同FSDD中的传输特性;最后采用数值模拟方法研究了高阶皮秒光孤子在不同FSDD中的压缩效应,发现利用FSDD和弧子压缩效应不但可以获得更高压缩率弧子光脉冲,而且可以有效地缩短所需的光纤长度。
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| 关 键 词： | 色散缓变光纤 高阶弧子 压缩效应 |
| 收稿时间： | 1993-07-31 |
THE COMPRESSION EFFECT OF PICOSECOND SOLITONS IN FIBERS WITH SLOWLY DECREASING DISPERSION |
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| Xu Wencheng, Liao Changjun, Guo Qi, Liu Songhao. THE COMPRESSION EFFECT OF PICOSECOND SOLITONS IN FIBERS WITH SLOWLY DECREASING DISPERSION[J]. Acta Photonica Sinica, 1994, 23(4): 327-334 |
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| Authors: | Xu Wencheng Liao Changjun Guo Qi Liu Songhao |
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| Affiliation: | South China Normal University, Guangzhou, 510631 |
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| Abstract: | The compression results of femtosecond soliton Dulses in fibers with slowlydecreasing dispersion have been reported.In this paper,we have obtained the noulinearSchrodinger equation(NLS)including gain effect from quasi-NLS which describes thebehavior of picosecond soliton pulses in fibers with slowly deceasing dispersion. Thepropagation properties of soliton pulses have been analyzed and discussed.Numericalsnnulation showS that the higher compression ratio pulses can be obtained by use ofFSDD and the fiber length is mu ch reduced. |
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| Keywords: | Fibers with slowly decreasing dispersion High-order solitons Compression.ffect. |
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