Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides

被引：35
|
作者：
Baker, Neil J. [1 ]
Lee, Ho W.
Littler, Ian C. M.
de Sterke, C. Martijn
Eggleton, Benjamin J.
Choi, Duk-Yong
Madden, Steve
Luther-Davies, Barry
机构：
[1] Univ Sydney, Sch Phys, Ctr Ultrahigh Bandwidth Deices Opt Syst, Sydney, NSW 2006, Australia
[2] Australian Natl Univ, Ctr Ultrahigh Bandwidth Deices Opt Syst, Laser Phys Ctr, Canberra, ACT 0200, Australia
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 20期
关键词：
D O I：
10.1364/OE.14.009451
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have written a sampled Bragg grating into a highly photosensitive chalcogenide (As2S3) rib-waveguide using a scanning Sagnac interferometer. The grating exhibits evenly spaced rejection peaks over a 40 nm bandwidth. We estimate the induced refractive index change of the waveguide to be over 0.03 by matching the measured spectrum to numerical solutions of the coupled mode equations while accounting for an induced chirp. The sampled Bragg grating presented is comparable in strength and bandwidth to the best sampled Bragg gratings obtained to date in silica optical fibre. (c) 2006 Optical Society of America
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收藏
页码：9451 / 9459
页数：9
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