Large second-order nonlinearity in thermally poled Ge-Sb-Cd-S chalcogenide glass

被引：8
作者：
Guo, Haitao [1 ,2 ]
Zheng, Xiaolin [2 ]
Lu, Min [1 ]
Zou, Kuaisheng [1 ]
Peng, Bo [1 ]
Gu, Shaoxuan [2 ]
Liu, Hao [2 ]
Zhao, Xiujian [2 ]
机构：
[1] Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Shanxi, Peoples R China
[2] Minist Educ, Key Lab Silicate Mat Sci & Engn, Wuhan 430070, Hubei, Peoples R China
来源：
OPTICAL MATERIALS | 2009年 / 31卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Chalcogenide glass; Second-harmonic generation; Thermal poling; Maker fringe; 2ND-HARMONIC GENERATION; DEPENDENCE;
D O I：
10.1016/j.optmat.2008.10.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
After thermally poled, second-harmonic generation was observed from 0.85GeS(2)center dot 0.1Sb(2)S(3)center dot 0.05CdS chalcogenide glass by using the Maker fringe method, and the second-order nonlinearity (SON) susceptibility, chi((2)), is 9 pm/V at maximum. The stability of SON is excellent and its theoretical decaying time according to the thermally stimulated depolarization current (TSDC) measurement is as long as 654 days. The origin of SON, the effects of poling parameters and the reasons of angle variation of maximum SH intensity in Maker fringe, were discussed based on dipole reorientation model. With its large and stable SON, this novel nonlinear chalcogenide glass is a very promising material that can be applied to many optical fields in the future. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：865 / 869
页数：5
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