Dynamics of femtosecond supercontinuum generation in multimode fibers

被引：95

作者：

Poletti, Francesco ^{[1
]}

Horak, Peter ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

PHOTONIC CRYSTAL FIBERS; PULSE-PROPAGATION; NANOSECOND; MODULATION; SINGLE;

D O I：

10.1364/OE.17.006134

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We solve a system of generalized nonlinear Schrodinger equations to study the nonlinear dynamics of ultrashort pulse propagation in multimode fibers. Due to pulse walk-off, permanent intermodal power transfer between modes is observed even in absence of phase matching. The strength of intermodal effects is found to depend strongly on modal symmetries, which results in preferential coupling between the LP0n modes. The scaling of nonlinear multimode effects in large-core fibers for the generation of ultra-high power spectral density supercontinua is finally discussed. (C) 2009 Optical Society of America

引用

页码：6134 / 6147

页数：14

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