Abnormal Shift of Center Wavelength in Annealing Long-Period Gratings
QIN Li, WEI Zhan-Xiong, WANG Qing-Ya, LI Hui-Ping,
ZHANG Yu-Shu, GAO Ding-San
Department of Electronics Engineering, Jilin University, Changchun 130023
Abnormal Shift of Center Wavelength in Annealing Long-Period Gratings
QIN Li;WEI Zhan-Xiong;WANG Qing-Ya;LI Hui-Ping,
ZHANG Yu-Shu;GAO Ding-San
Department of Electronics Engineering, Jilin University, Changchun 130023
关键词 ：
42.79.Dj ,
42.81.Dp
Abstract ： During annealing process of long-period gratings, the center wavelengths of some modes shift to red wavelength while those of others shift to blue compared with their original written ones, and the magnitudes of the shifts are related to the decay of the grating strength. The red shifts of center wavelength are more evident in lower-order modes of the gratings. We suggest that part of the photodissociated-H2 combines continuously with Ge-defect centers within 2h after UV-exposure, and with which the observed abnormal shifts can be explained successfully.
Key words ：
42.79.Dj
42.81.Dp
出版日期: 2000-01-01
引用本文:
QIN Li;WEI Zhan-Xiong;WANG Qing-Ya;LI Hui-Ping;
ZHANG Yu-Shu;GAO Ding-San
. Abnormal Shift of Center Wavelength in Annealing Long-Period Gratings[J]. 中国物理快报, 2000, 17(1): 28-30.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I1/28
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2000, Vol. 17 
