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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