Line-by-Line Fiber Bragg Grating Made by Femtosecond Laser

被引：109
|
作者：
Zhou, Kaiming [1 ]
Dubov, Mykhaylo [1 ]
Mou, Chengbo [1 ]
Zhang, Lin [1 ]
Mezentsev, Vladimir K. [1 ]
Bennion, Ian [1 ]
机构：
[1] Aston Univ, Photon Res Grp, Birmingham B4 7ET, W Midlands, England
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2010年 / 22卷 / 16期
关键词：
Femtosecond (fs) laser; fiber Bragg grating (FBG); INSCRIPTION; GLASS;
D O I：
10.1109/LPT.2010.2050877
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：
In this letter, we report on the inscription of a fourth-order fiber Bragg grating made line-by-line in the optical fiber using a femtosecond laser. Strong Bragg resonance (similar to 17 dB) and low insertion loss (similar to 0.5 dB) were obtained with only 2000 periods. Measured refractive index change of these inscribed lines reaches up to 7 x 10(-3). The grating was fully characterized and the low insertion loss together with low polarization-dependent loss were realized compared to gratings made by the point-by-point method. The high temperature annealing experiment shows the grating can survive up to at least 800 degrees C.
引用
收藏
页码：1190 / 1192
页数：3
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