Photorefractive properties of iron-doped stoichiometric lithium niobate

被引：67
|
作者：
Furukawa, Y [1 ]
Kitamura, K [1 ]
Ji, Y [1 ]
Montemezzani, G [1 ]
Zgonik, M [1 ]
Medrano, C [1 ]
Gunter, P [1 ]
机构：
[1] ETH HONGGERBERG,INST QUANTUM ELECT,CH-8093 ZURICH,SWITZERLAND
来源：
OPTICS LETTERS | 1997年 / 22卷 / 08期
关键词：
D O I：
10.1364/OL.22.000501
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The photorefractive properties of stoichiometric LiNbO3 crystals with a small number of defect densities grown by the double-crucible Czockralski method are investigated and compared with the defect densities of commercially available congruent Fe-doped LiNbO3 crystals. Two-wave-mixing experiments show that novel stoichiometric crystals exhibit larger photorefractive gain;and considerably faster response times than congruent ones. The results indicate that the nonstoichiometry defect control of photorefractive crystals is of key importance for the improvement of their properties. (C) 1997 Optical Society of America.
引用
收藏
页码：501 / 503
页数：3
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