| 基于全光时域分数阶傅里叶变换的光脉冲最小损伤传输新方法 |
| |
| 引用本文： | 韩庆生,乔耀军,李蔚.基于全光时域分数阶傅里叶变换的光脉冲最小损伤传输新方法[J].物理学报,2011,60(1):14219-014219. |
| |
| 作者姓名： | 韩庆生 乔耀军 李蔚 |
| |
| 作者单位： | (1)北京邮电大学信息光子学与光通信教育部重点实验室,北京 100876; (2)华中科技大学武汉国家光电实验室,武汉 430074 |
| |
| 基金项目： | 国家自然科学基金(批准号:60772013),国家重点基础研究发展计划(973)项目(批准号:2010CB328300,2010CB328305),国家高技术研究发展计划(批准号:2009AA03Z408)和北京邮电大学信息光子学与光通讯重点实验室开放基金资助的课题. |
| |
| 摘 要： | 提出了一种基于全光分数阶傅里叶变换(optical fractional fourier transformation,OFRFT)的关于色散和自相位调制对光脉冲传输影响的分析方法,并基于该方法给出了一种新的光脉冲在光纤中传输最小损伤的方法,通过在发射端将输入的高斯光脉冲做OFRFT然后再送入到光纤中去传输,可以提高光脉冲抵抗色散和非线性的能力,仿真发现当色散占主要作用的时候,负阶数的分数阶傅里叶变换可以很大程度上减小光脉冲的展宽;当自相位调制作用占主要的时候,正阶数的分数阶傅里叶变换可以消除自相位调制作
关键词：
光脉冲传输
分数阶傅里叶变换
色散
自相位调制
|
| 关 键 词： | 光脉冲传输 分数阶傅里叶变换 色散 自相位调制 |
| 收稿时间： | 2010-01-11 |
| 修稿时间： | 3/4/2010 12:00:00 AM |
The new insight into the optical pulse propagation theory and minimum-distortion propagation based on the fractional Fourier transformation |
| |
| Han Qing-Sheng,Qiao Yao-Jun,Li Wei.The new insight into the optical pulse propagation theory and minimum-distortion propagation based on the fractional Fourier transformation[J].Acta Physica Sinica,2011,60(1):14219-014219. |
| |
| Authors: | Han Qing-Sheng Qiao Yao-Jun Li Wei |
| |
| Institution: | Wuhan National Lab for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China;Key Laboratory of Information Photonics and Optical Communication, Ministry of Education, Beijing University of Posts and Telecommunication, Beying 100876, China;Wuhan National Lab for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China |
| |
| Abstract: | The theoretical derivation of optical time-domain fractional Fourier transformation is achieved and implemented. Based on the understanding of fractional Fourier transformation, we propose a new method for analyzing the influence of combined effects of dispersion and self-phase modulation on the propagation of optical pulses. And the simulation results show that when the dispersion is dominant in the transmission, a fractional Fourier transformation with a negative order number will help reduce the broadening of optical pulses induced by the dispersion. On the other hand, when the self-phase modulation is dominant, a positive order fractional Fourier transmission can help eliminate the pulse splitting effect. |
| |
| Keywords: | optical propagation fractional fourier transformation dispersion self-phase modulation |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《物理学报》浏览原始摘要信息 |
| 点击此处可从《物理学报》下载免费的PDF全文 |
|
