Nonlinear wavefields in optical fibers with finite time response and amplification effects

被引:12
|
作者
Wyller, J [1 ]
机构
[1] Agr Univ Norway, Dept Math Sci, N-1432 As, Norway
来源
PHYSICA D | 2001年 / 157卷 / 1-2期
关键词
nonlinear Schrodinger equations; nonlocal effects; nonlinear optics;
D O I
10.1016/S0167-2789(01)00285-8
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A higher order nonlinear integro-differential equation of the Schrodinger type modeling the evolution of finite amplitude wavepackets in the presence of optical amplification and finite material- and polarization time responses is analyzed with respect to the dynamical evolution of localized solutions. Nonexistence of localized travelling and stationary wave solutions is pointed out for certain parameter regimes. Finally the linear stage of the modulational instability of plane waves is studied and it is shown that the finite time responses produce finite bandwidth instabilities. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:90 / 111
页数:22
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