High second-order nonlinearity in single-domain tetragonal PMN-PT single crystal

Author:

Luan Peng1ORCID,Liu Xin1ORCID,Du Hongliang1ORCID,Wu Wanghua2ORCID,Hu Hailong2,Li Fei1ORCID,Wei Xiaoyong1ORCID,Xu Zhuo1

Affiliation:

1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi'an Jiaotong University 1 , 710049 Xi'an, China

2. WITec (Beijing) Scientific Technology Co., Ltd 2 . Xiaoyun Road 36, 100027 Beijing, China

Abstract

Recently, Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystals present tremendous potential in optical applications such as Q-switches and invisible robotic devices because they possess high electro-optic properties and perfect transparency simultaneously. However, due to the difficulties in testing and sample preparation, the nonlinear optical properties of PMN-PT single crystals have not been reported yet, which poses a bottleneck for exploring its nonlinear application. In this work, a large second-order nonlinear coefficient (d31 ∼ 77.9 pm V−1) of single domain PMN-0.39PT single crystal has been revealed, which is times times higher than the maximum nonlinear coefficient of commercial LiNbO3 single crystal (d33 = 25.4 pm V−1). The complete set of nonlinear coefficients of the sample has been determined by second harmonic generation microscopy. This work presents the promising nonlinear optical property in PMN-PT single crystals and opens a door for designing high-performance nonlinear optical devices.

Funder

National Natural Science Foundation of China

National Key Research and Development Program of China

Postdoctoral Research Foundation of China

Central University Basic Research Fund of China

Publisher

AIP Publishing

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