Bifurcation of gap solitons through catastrophe theory

被引：32

作者：

Conti, C

Trillo, S

机构：

[1] Univ Ferrara, Dept Engn, I-44100 Ferrara, Italy

[2] Ist Nazl Fis Mat, RM3, I-00146 Rome, Italy

来源：

PHYSICAL REVIEW E | 2001年 / 64卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.64.036617

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In the theory of optical gap solitons, slowly-moving finite-amplitude Lorentzian solutions are found to mediate the transition from bright to coexistent dark-antidark solitary wave pairs when the laser frequency is detuned out of the proper edge of a dynamical photonic band gap. Catastrophe theory is applied to give a geometrical description of this strongly asymmetrical "morphing" process.

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