| 光脉冲在光波导中传播的显式时域法 |
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| 引用本文： | 巨振乐, 付君眉, 冯恩信. 光脉冲在光波导中传播的显式时域法[J]. 电子与信息学报, 1998, 20(2): 247-250. |
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| 作者姓名： | 巨振乐 付君眉 冯恩信 |
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| 作者单位： | 西安交通大学微波与光通信研究所，西安交通大学微波与光通信研究所，西安交通大学微波与光通信研究所 西安 710049，西安 710049，西安 710049 |
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| 摘 要： | 本文提出一种稳定的模拟光波导中波传播的显式时域方法,该方法以Dufort-Frankel法和变量代换法为基础,采用了显式的差分方法,计算快速,节省内存,行之有效;应用该方法在光波导中将500fs的光脉冲传播2mm,得出了光脉冲的瞬态值及波导参数对脉冲的影响情况。
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| 关 键 词： | 慢包近似 显式时域法 Dufort-Frankel法 时域内的束传播法 光波导 |
| 收稿时间： | 1996-07-12 |
| 修稿时间： | 1997-09-02 |
AN EXPLICIT TIME-DOMAIN METHOD FOR SOLVING THE PROPAGATION OF THE PULSE IN OPTICAL STRUCTURES |
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| Ju Zhenle, Fu Junmei, Feng Enxin . AN EXPLICIT TIME-DOMAIN METHOD FOR SOLVING THE PROPAGATION OF THE PULSE IN OPTICAL STRUCTURES[J]. Journal of Electronics & Information Technology, 1998, 20(2): 247-250. |
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| Authors: | Ju Zhenle Fu Junmei Feng Enxin |
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| Affiliation: | Institute of Microwave Engineering and Optical Comm., Xi'an Jiaotong Univ.,Xi'an 710049 |
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| Abstract: | An explicit and stable time-domain method for solving the propagation of wave envelope in optical structures is proposed. Based on Dufort-Frankel method and variable change, it is a explicit difference. The method takes less memory and less time and it is applied to propagation of a 500 fs pulse in a waveguide over 2mm. Transient behavior of the pulse and the effects of the waveguide parameters are given. |
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| Keywords: | Slowly varying envelope approximation(SEVA) Explicit time-domain method Dufort-Frankel method Time-domain BPM(TDBPM) Optical waveguide |
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