Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings

被引：69

作者：

Antipov, Sergei ^{[1
,2
]}

Ams, Martin ^{[1
,2
]}

Williams, Robert J. ^{[2
]}

Magi, Eric ^{[1
,3
]}

Withford, Michael J. ^{[1
,2
]}

Fuerbach, Alexander ^{[1
,2
]}

机构：

[1] Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Camperdown, NSW, Australia

[2] Macquarie Univ, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia

[3] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

PHASE MASK; IR LASER; WRITTEN;

D O I：

10.1364/OE.24.000030

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We compare and contrast novel techniques for the fabrication of chirped broadband fiber Bragg gratings by ultrafast laser inscription. These methods enable the inscription of gratings with flexible period profiles and thus tailored reflection and dispersion characteristics in non-photosensitive optical fibers. Up to 19.5 cm long chirped gratings with a spectral bandwidth of up to 30 nm were fabricated and the grating dispersion was characterized. A maximum group delay of almost 2 ns was obtained for linearly chirped gratings with either normal or anomalous group velocity dispersion, demonstrating the potential for using these gratings for dispersion compensation. Coupling to cladding modes was reduced by careful design of the inscribed modification features. (C) 2016 Optical Society of America

引用

页码：30 / 40

页数：11

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