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Postfabrication wavelength trimming of fiber Bragg gratings written in H/sub 2/-loaded fibers

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4 Author(s)
Bai-Ou Guan ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., Kowloon, China ; Hwa-Yaw Tam ; Chao Lu ; Xiao-Yi Dong

A postfabrication technique for writing fiber Bragg gratings in H/sub 2/-loaded fiber with precise wavelength control is reported. The grating wavelength is highly stable and less than a 0.01-nm shift was observed after storing at room temperature for two months. This technique allows 1 nm of wavelength trimming and significantly enhances the grating thermal stability.

Published in:

IEEE Photonics Technology Letters  (Volume:13 ,  Issue: 6 )