Design of step-chirped fibre Bragg gratings

被引：21
|
作者：
Kashyap, R
机构：
[1] BT Laboratories Martlesham Heath
来源：
OPTICS COMMUNICATIONS | 1997年 / 136卷 / 5-6期
关键词：
D O I：
10.1016/S0030-4018(96)00729-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Unapodised and apodised 10 mm and 100 mm long step-chirped fibre Bragg gratings have been theoretically modeled as a function of the number of sections for the first time. It is shown that even with a relatively few sections, the reflectivity and dispersion characteristics approach that of a continuously chirped grating, improving dramatically with apodisation. Experimental results for a 200 section step-chirped Bragg grating are compared with theory. A simple relationship between bandwidth, length and the number of sections in a step-chirped grating is presented.
引用
收藏
页码：461 / 469
页数：9
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