Second harmonic generation in inhomogeneous MgO:LiNbO3 waveguides

被引：4
|
作者：
Li Guo-Hui
Jiang Hai-Ling
Xu Xin-Ye [1 ]
机构：
[1] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
来源：
CHINESE PHYSICS B | 2011年 / 20卷 / 06期
基金：
中国国家自然科学基金;
关键词：
second harmonic generation; optical inhomogeneities; waveguide; POLED LITHIUM-NIOBATE; LASER-DIODE; CRYSTAL; LINBO3; INDEX;
D O I：
10.1088/1674-1056/20/6/064201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A fibre laser at 1111.6 nm is frequency doubled by two inhomogeneous MgO:LiNbO3 waveguides and the output powers of 85 mW and 49 mW at 555.8 nm have been generated with the conversion efficiencies of 47% and 27% respectively. By analysing the second harmonic generation temperature tuning curves, we investigate the influence of the optical inhomogeneities upon the conversion efficiency. The final result shows that the efficiency difference is mainly affected by the optical inhomogeneities in our case.
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页数：4
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