High power continuous wave second harmonic generation in a phase matching insensitive MgO doped LiNbO3 waveguide

被引：2
作者：
Li, Guohui [1 ]
Cui, Yanxia [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Phys & Optoelect, Minist Educ & Shanxi Prov, Key Lab Adv Transducers & Intelligent Control Sys, 79 Yingze St, Taiyuan 030024, Shanxi, Peoples R China
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 23期
基金：
中国国家自然科学基金;
关键词：
LITHIUM-NIOBATE; LIGHT GENERATION; PUMP DEPLETION; GRATINGS; LASER; CONVERTERS; NM;
D O I：
10.1364/OE.25.029225
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper reports an efficient method of using a chirped grating to reduce the phase-matching sensitivity and increase the output power of continuous wave second harmonic generation in a MgO doped LiNbO3 waveguide. It was found that using a chirped grating with decreasing periods from 6.96 mu m to 6.95 mu m significantly improved the phase mismatch tolerance and increased the second harmonic generation output power from 0.64 W (using uniform grating) to 1.13 W. This design was shown to lead to a phase matching insensitive waveguide. This indicates that there is a possibility of obtaining higher output power with the MgO doped LiNbO3 waveguide. (C) 2017 Optical Society of America
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收藏
页码：29225 / 29232
页数：8
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