期刊
OPTICAL MATERIALS EXPRESS
卷 7, 期 11, 页码 3894-3901出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.7.003894
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资金
- National Natural Science Foundation of China (NSF) [61475102, 11574079, 61775056]
- Joint Equipment Pre-Research Foundation of the Ministry of Education of China [6141A02033404]
- Natural Science Foundation of Hunan Province [2016JJ2028, 2017JJ1013]
- Open Fund of the State Key Laboratory on Integrated Optoelectronics, China [IOSKL2013KF13]
The third-order nonlinear optical properties of CH3NH3PbI3 perovskite film have been investigated by the Z-scan technique in the mid-infrared (mid-IR) region. We prepared the high-quality CH3NH3PbI3 films with the precursor solutions, and experimentally observed its broadband saturable absorption behavior and large Kerr nonlinearity. The CH3NH3PbI3 perovskite film exhibited a large nonlinear refractive index (similar to 10(-12) m(2)/W) in the mid-IR regime. Our study indicates the great potential of the organic-inorganic perovskite material in the mid-IR nonlinear optics, and might provide some new sights for Kerr nonlinearity based mid-IR nonlinear optical application. (C) 2017 Optical Society of America
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