Spatio-Temporal Self-Focusing in Femtosecond Pulse Transmission Through Multimode Optical Fibers

被引：5
|
作者：
Hesketh, Graham D. [1 ]
Poletti, Francesco [1 ]
Horak, Peter [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 17期
基金：
英国工程与自然科学研究理事会;
关键词：
Fiber nonlinear optics; nonlinear Schrodinger equation; optical pulse compression; ultrafast optics; LASER-INDUCED BREAKDOWN; SUPERCONTINUUM GENERATION; PROPAGATION;
D O I：
10.1109/JLT.2012.2206796
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We numerically investigate ultra-short pulse propagation in multimode optical fibers with launch peak powers approaching the critical power for self-focusing using a generalized multimode nonlinear Schrodinger equation approach. Nonlinear spatial and temporal effects combined with fiber dispersion govern pulse compression in space and time which can result in damage-inducing intensity levels. Here we identify pulse parameters for which damage is avoided and high-power delivery through optical fiber is possible near the fiber zero-dispersion wavelength.
引用
收藏
页码：2764 / 2769
页数：6
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