Fiber Bragg gratings with suppressed cladding modes made in SMF-28 with a femtosecond IR laser and a phase mask

被引：66

作者：

Grobnic, D ^{[1
]}

Smelser, CW ^{[1
]}

Mihailov, SJ ^{[1
]}

Walker, RB ^{[1
]}

Lu, P ^{[1
]}

机构：

[1] Commun Res Ctr, Ottawa, ON K2H 8S2, Canada

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 08期

关键词：

cladding-mode coupling; fiber Bragg gratings (FBGs); phase mask; ultrafast optics;

D O I：

10.1109/LPT.2004.831239

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High reflectivity fiber Bragg gratings (FBG) with strong cladding mode suppression were written in standard telecom fiber (SMF-28) with femtosecond 800-nm laser pulses and a phase mask. No special fiber photosensitization or fiber design was required. Induced index modulations were created by two-beam interference from the phase mask in both the core and cladding region, which resulted in cladding-mode coupling loss <0.1 dB for a high reflecting -30 dB in transmission FBG.

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页码：1864 / 1866

页数：3

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