Green-induced infrared absorption in annealed proton-exchanged MgO:LiNbO3 waveguides

被引：5
|
作者：
Sun, Jian [1 ]
Xu, Chang-qing [1 ]
机构：
[1] McMaster Univ, Dept Engn Phys, Hamilton, ON L8S 4L7, Canada
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2014年 / 31卷 / 11期
基金：
加拿大自然科学与工程研究理事会;
关键词：
EFFICIENT 2ND-HARMONIC GENERATION; LITHIUM-NIOBATE; LIGHT GENERATION; HIGH-POWER; LINBO3; RADIATION; POLARONS; DEVICE;
D O I：
10.1364/JOSAB.31.002779
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The green-induced infrared absorption (GRIIRA) effect in annealed proton-exchanged (APE) MgO-doped LiNbO3 (MgO:LiNbO3) waveguides was investigated experimentally. By directly measuring the green-light-induced transmittance change in the waveguides, the GRIIRA coefficients of the waveguides were studied at a light power density level of several MW/cm(2). GRIIRA effects in APE MgO:LiNbO3 and nondoped MgO:LiNbO3 waveguides were compared. The GRIIRA-induced temperature gradient from the waveguide core to the ambient environment was simulated using the measured results. Potential impacts of such temperature gradients on MgO:LiNbO3-based green lasers have been discussed. Optimization temperature control methods have also been discussed. (C) 2014 Optical Society of America
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页码：2779 / 2785
页数：7
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