Effective electro-optic coefficient of (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 single crystals

被引：30
作者：
He, Chongjun [1 ]
Chen, Hongbing [2 ]
Sun, Liang [3 ]
Wang, Jiming [1 ]
Xu, Feng [1 ]
Du, Chaoling [1 ]
Zhu, Kongjun [1 ]
Liu, Youwen [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Nanjing 210016, Peoples R China
[2] Ningbo Univ, Inst Mat Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China
[3] Yibin Univ, Sch Phys & Elect Engn, Yibin 644000, Peoples R China
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 2012年 / 47卷 / 06期
基金：
中国国家自然科学基金;
关键词：
PZN-PT; refractive index; electro-optic; GROWTH; DISPERSION;
D O I：
10.1002/crat.201200127
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Refractive indices and effective electro-optic coefficient ?c of (1x)Pb(Zn1/3Nb2/3)O3xPbTiO3 (PZN-xPT, x = 0.05, 0.09 and 0.12) single crystals were measured at 532 nm wavelength. Orientation and temperature dependences of the electro-optic coefficient were investigated. Large electro-optic coefficient (?c = 470 pm/V) was observed in [001]-poled PZN-0.09PT crystal. More importantly, ?c of tetragonal PZN-0.12PT is almost unchanged in a temperature range -20 similar to 80 degrees C. The ?c of PZN-xPT single crystals are much higher than that of widely used electro-optic crystal LiNbO3 (?c = 20 pm/V). These results show that PZN-xPT single crystals are very promising materials for electro-optic modulators in optical communications.
引用
收藏
页码：610 / 614
页数：5
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