[1]闫培光,李乙钢,吕可诚,等.正常色散区泵浦微结构光纤产生超连续谱研究[J].深圳大学学报理工版,2006,23(1):21-24.
　YAN Pei-guang,LI Yi-gang,LU Ke-cheng,et al.Research on the supercontinuum generation in a microstructured fiber pumped at the normal dispersion region[J].Journal of Shenzhen University Science and Engineering,2006,23(1):21-24.
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正常色散区泵浦微结构光纤产生超连续谱研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第23卷
期数:
2006年1期
页码:
21-24
栏目:
电子光学与信息工程
出版日期:
2006-01-30

文章信息/Info

Title:
Research on the supercontinuum generation in a microstructured fiber pumped at the normal dispersion region
文章编号:
1000-2618(2006)01-0021-04
作者:
闫培光1 ;  李乙钢2 ;  吕可诚2 ;  阮双琛1 ;  郭春雨1
1）深圳大学工程技术学院, 深圳518060
2）南开大学物理学院, 天津300071
Author(s):
YAN Pei-guang1 ;  LI Yi-gang2 ;  LU Ke-cheng2 ; RUAN Shuang-chen1 ;  and GUO Chun-yu1
1) Institute of Engineering and Technology Shenzhen UniversityShenzhen 518060 P. R. China
2) Insititute of Physics Nankai University Tianjin 300071 P. R. China
关键词:
超连续谱; 微结构光纤; 色散; 泵浦波长
Keywords:
supercontinuum;  microstructured fiber;  dispersion;  pumped wavlength
分类号:
TN 25
文献标志码:
A
摘要:
用实验和数值模拟两种方法研究在正常色散区内用飞秒脉冲泵浦微结构光纤产生超连续谱的机理. 研究发现, 在初始阶段, 自相位调制对光谱展宽起主要作用, 连续谱平坦;当光谱展宽进入反常色散区后, 拉曼效应和反常色散的作用使光谱分裂. 泵浦波长在正常色散区内离零色散点越远, 得到的超连续谱宽度越小, 但其在正常色散区的部分光谱却更平坦.
Abstract:
The mechanism of supercontinuum generation was experimentally and theoretically studied in a microstructured fiber when pumped at its normal dispersion region by using femtosecond laser pulses. Our work indicates that the self-phase modulation (SPM ) effect is the fundamental mechanism at the initial stage, resulting in a flat continuum. However, when extended into the abnormal dispersion region, the continuum would be splitted due to the Raman effects and the abnormal dispersion. Moreover our experiment obtains that when the pump wavelength in the normal dispersion region lies farther from the zero-dispersion wavelength, the generated supercontinuum would be narrower, while the part of spectrum in the normal dispersion region would be flatter.

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更新日期/Last Update: 2015-09-25