All-optical power limiting in waveguides with periodically distributed Kerr-like non-linearity

被引：3
|
作者：
Becker, EV
Romanova, EA
Melnikov, LA
Benson, TM
Sewell, P
机构：
[1] Univ Nottingham, Sch Elect & Elect Engn, Nottingham NG7 2RD, England
[2] Saratov NG Chernyshevskii State Univ, Saratov 410026, Russia
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2001年 / 73卷 / 5-6期
关键词：
PACS: 07.05.Tp; 42.60.Jf; 42.65.-k;
D O I：
10.1007/s003400100672
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A slab waveguide with an embedded non-linear grating is considered as an all-optical power-limiting device. The limiting action is based on the power losses at boundaries between grating sections, where a mode-mismatch results from the self-focusing of the fundamental mode in each non-linear section. Time-harmonic and optical pulse propagation are both modelled numerically by finite-difference techniques to demonstrate the behaviour of the device.
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页码：531 / 534
页数：4
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