NONLINEAR SELF-GUIDING AND SWITCHING IN AN ALL-FIBER DEVICE

被引：5
作者：
BLOW, KJ
DORAN, NJ
NELSON, BP
WOOD, D
机构：
[1] British Telecom Research Laboratories, Ipswich IP5 7RE, Martlesham Heath
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 1987年 / 23卷 / 07期
关键词：
D O I：
10.1109/JQE.1987.1073480
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 study the nonlinear propagation of light in optical fi- bers in the strong nonlinearity limit. In this limit, the transverse guiding properties are altered and cannot he decoupled from the longitu-dinal part of the wave equation. We consider a refractive index profile with no bound modes at love intensities and show that stable self-guiding occurs at a critical intensity. This critical Intensity is a property of the guide and can be made much lower than the threshold for unstable self-focusing. We consider a particular design for which self-guiding occurs at three orders of magnitude lower than the sell-focusing threshold. © 1987 IEEE
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页码：1108 / 1112
页数：5
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