高相干度超连续谱的产生和脉冲压缩的研究

成纯富; 王又青; 欧艺文; 张金业

doi:10.7510/jgjs.issn.1001-3806.2013.05.011

高相干度超连续谱的产生和脉冲压缩的研究

1.
华中科技大学光学与电子信息学院, 武汉 430074;
2.
湖北工业大学理学院, 武汉 430068;
3.
武昌工学院信息工程系, 武汉 430065

作者简介: 成纯富(1976- ),男,博士研究生,主要从事超连续谱光源及其应用的研究。.

通讯作者: 王又青, yqwang13@163.com ;

基金项目:
湖北省自然科学基金资助项目(2012FFB00704);湖北省教育厅科研计划资助项目(B20121403)
中图分类号:
O437

Study on generation of high coherent supercontinuum and pulse compression

1.
School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China;
2.
School of Science, Hubei University of Technology, Wuhan 430068, China;
3.
Department of Information Engineering, Wuchang Institute of Technology, Wuhan 430065, China

Corresponding author: WANG You-qing, yqwang13@163.com ;

CLC number:
O437

摘要: 为了研究全波段正常色散光子晶体光纤中高相干度超连续谱的产生及其脉冲压缩,采用分步傅里叶法数值模拟了超短光脉冲在全波段正常色散光子晶体光纤中的非线性传输和超连续谱的产生;利用1阶相干因子分析了抽运波长和入射峰值功率对超连续谱相干特性的影响。结果表明,色散效应越弱,越有利于高相干度超连续谱的产生;在色散效应较小处抽运时,获得了带宽为587nm、平坦度小于7dB的高相干度的超连续谱;超连续谱的相干性越高,越有利于脉冲压缩,采用光栅对压缩器对高相干度超连续谱脉冲进行压缩,获得了8.4fs、压缩质量因子为88.88%的超短光脉冲。因此,抑止色散效应,利用自相位调制可获得高相干度的超连续谱及高质量的脉冲压缩。
- 光纤光学 /
- 超连续谱 /
- 相干特性 /
- 脉冲压缩
Abstract: In order to study the generation of high coherent supercontinuum and pulse compression in an all-normal dispersion photonic crystal fiber, the nonlinear propagation of an ultrashort pulse and supercontinuum generation in an all-normal dispersion photonic crystal fiber were simulated with the standard split-step Fourier algorithm. The impact of center wavelength and input peak power of the pump pulse on the coherence properties of supercontinuum was simulated and analyzed. It is found the weaker the dispersion effect is, the more advantageous to the high coherent supercontinuum generation. A high coherent supercontinuum with band width of 587nm and flatness of less 7dB can be obtained by pumping the fiber under which the dispersion effect is small. It is also found the higher the coherence properties of supercontinuum is, the more advantageous to the supercontinuum pulse compression. An ultrashort pulse with pulse duration of 8.4fs and compression quality factor of 88.88% can be obtained by using a grating pair compressor to compress the high coherent supercontinuum pulse. Therefore, the high coherent supercontinuum and high quality pulse compression can be obtained by using the effect of self phase modulation and suppressing the dispersion effect.
- fiber optics /
- supercontinuum /
- coherence characteristics /
- pulse compression

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高相干度超连续谱的产生和脉冲压缩的研究

作者简介: 成纯富(1976- ),男,博士研究生,主要从事超连续谱光源及其应用的研究。.

通讯作者: 王又青, yqwang13@163.com ;

Study on generation of high coherent supercontinuum and pulse compression

Corresponding author: WANG You-qing, yqwang13@163.com ;

计量

高相干度超连续谱的产生和脉冲压缩的研究

通讯作者: 王又青, yqwang13@163.com;

作者简介: 成纯富(1976- ),男,博士研究生,主要从事超连续谱光源及其应用的研究。

English Abstract

Study on generation of high coherent supercontinuum and pulse compression

Corresponding author: WANG You-qing, yqwang13@163.com

全文HTML

目录

留言板

高相干度超连续谱的产生和脉冲压缩的研究

作者简介: 成纯富(1976- ),男,博士研究生,主要从事超连续谱光源及其应用的研究。.

通讯作者: 王又青, yqwang13@163.com ;

Study on generation of high coherent supercontinuum and pulse compression

Corresponding author: WANG You-qing, yqwang13@163.com ;

计量

出版历程

高相干度超连续谱的产生和脉冲压缩的研究

通讯作者: 王又青, yqwang13@163.com;

作者简介: 成纯富(1976- ),男,博士研究生,主要从事超连续谱光源及其应用的研究。

English Abstract

Study on generation of high coherent supercontinuum and pulse compression

Corresponding author: WANG You-qing, yqwang13@163.com

全文HTML

目录