Efficient inscription of Bragg gratings in As2S3 fibers using near bandgap light.
Efficient inscription of Bragg gratings in As2S3 fibers using near bandgap light.
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DOI：
10.1364/ol.38.003850
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发表时间：
2013-10
期刊：
影响因子：
3.6
通讯作者：
L. Zou;I. Kabakova;E. Mägi;E. Li;C. Florea;I. Aggarwal;B. Shaw;J. Sanghera;B. Eggleton
中科院分区：
文献类型：
--
作者：
L. Zou;I. Kabakova;E. Mägi;E. Li;C. Florea;I. Aggarwal;B. Shaw;J. Sanghera;B. Eggleton
利用532 nm的近带隙光，证明了单模薄包层As(2)S(3)光纤中光纤Bragg光栅（fbg）的高效刻录。反射率超过80%的fbg只需要80 ~ 90 s的时间就能诱导出来，比以往的报道要快得多。在光敏过程中，研究了光栅生长的动力学，显示出布拉格波长的快速蓝移，然后是稍慢的红移。此外，还报道了光栅制作后的老化，表明光栅强度衰减了37%。
Efficient inscription of Fiber Bragg gratings (FBGs) in single-mode, thin cladding As(2)S(3) fibers is demonstrated by using near bandgap light at 532 nm. The FBGs with the reflectivity of over 80% can be induced in only 80-90 s, substantially faster than in previous reports. The dynamics of the grating growth are investigated in the photosensitivity process, showing a fast blue shift of the Bragg wavelength and then a somewhat slower red shift. The aging of the grating after fabrication is also reported, indicating a 37% decay of the grating strength.