Multiphoton upconversion and non-resonant optical nonlinearity in perovskite quantum dot doped glasses

被引：13
|
作者：
Zhu, Chenyang [1 ]
Wang, Lin [1 ]
Zhao, Di [1 ]
Yang, Yuting [1 ]
Liu, Xiaofeng [1 ,2 ]
Xu, Beibei [3 ,4 ]
Xu, Zhousu [5 ]
Qiu, Jianrong [3 ,4 ]
机构：
[1] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] Zhejiang Univ, Coll Opt Sci & Engn, Hangzhou 310027, Peoples R China
[4] Zhejiang Univ, State Key Lab Opt Instrumentat, Hangzhou 310027, Peoples R China
[5] Zhejiang Univ Technol, Inst Intelligent Optoelect Technol, Hangzhou 310014, Peoples R China
来源：
OPTICS LETTERS | 2021年 / 46卷 / 20期
关键词：
Compendex;
D O I：
10.1364/OL.438340
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By incorporating the CsPbBr3 quantum dots (QDs) into a glass host, we report for the first time, to our knowledge, the measurement of non-resonant optical nonlinearity and multiphoton upconversion (UC) processes for this QD-in-glass composite. We observe up to four-photon stable UC photoluminescence under excitation by infrared femtosecond pulses, low optical limiting thresholds, and high nonlinear optical absorption coefficients close to those of colloid processed metal halide perovskite (MHP) QDs. Combined with high robustness against air and moisture, the monolithic inorganic glass with incorporated MHPQDs could be a better platform for exploiting strong light-matter interaction for MHPs. (C) 2021 Optical Society of America
引用
收藏
页码：5216 / 5219
页数：4
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