| 单模光纤中三阶色散对超短光脉冲传输的影响 |
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| 引用本文： | 刘群,励强华,牟艳秋. 单模光纤中三阶色散对超短光脉冲传输的影响[J]. 光学技术, 2006, 32(1): 148-150 |
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| 作者姓名： | 刘群 励强华 牟艳秋 |
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| 作者单位： | 哈尔滨师范大学,物理系,哈尔滨,150025;哈尔滨师范大学,物理系,哈尔滨,150025;哈尔滨师范大学,物理系,哈尔滨,150025 |
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| 摘 要： | 基于超短光脉冲在单模光纤中传输时高阶非线性效应的影响。应用非线性薛定谔方程(HONLS)理论,考虑光纤色散三阶效应,推导出无啁啾的高斯脉冲沿光纤传输时脉冲变化的表达式,并对理论结果进行了数值模拟与分析。结果表明,三阶色散会引起光脉冲形状发生畸变,会在其前沿或后沿附近形成非对称的振荡结构。
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| 关 键 词： | 超短脉冲 光纤非线性 三阶色散 |
| 文章编号： | 1002-1582(2006)01-0148-03 |
| 收稿时间： | 2004-11-01 |
| 修稿时间： | 2004-11-01 |
Influence of third-order dispersion on ultrashort optical pulse propagation in the single-mode fiber |
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| LIU Qun,LI Qiang-hua,MU Yan-qiu. Influence of third-order dispersion on ultrashort optical pulse propagation in the single-mode fiber[J]. Optical Technique, 2006, 32(1): 148-150 |
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| Authors: | LIU Qun LI Qiang-hua MU Yan-qiu |
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| Abstract: | On the theoretic basis the ultrashort optical pulse propagating in single-mode fiber is affected by the high order nonlinear effect.Using the nonlinear Schrodinger(HONLS) equation theory,the analytic expression was derived by taking into account the third-order dispersion as a Gauss pulse without chirp propagation along the single-mode fiber.The theories were numerically simulated and analyzed.The results show that the third-order dispersion generates distortion to the optical pulse shape with an unsymmetrical structure at the front or back edge. |
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| Keywords: | ultrashort optical pulse fiber nonlinear effect third-order dispersion |
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