Coherent modulation of two-photon up-conversion from colloidal quantum dots by femtosecond laser

被引：1
|
作者：
Xu, Cheng [1 ]
Yao, Yunhua [2 ]
Pu, Chaodan [3 ]
Zhang, Shian [2 ]
Liu, Xiaofeng [1 ]
Qiu, Jianrong [1 ,4 ]
机构：
[1] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China
[2] E China Normal Univ, Dept Phys, State Key Lab Precis Spect, Shanghai, Peoples R China
[3] Zhejiang Univ, Dept Chem, Ctr Chem Novel & High Performance Mat, Hangzhou 310027, Zhejiang, Peoples R China
[4] Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 99期
基金：
中国国家自然科学基金;
关键词：
NONLINEAR-OPTICAL PROPERTIES; NANOCRYSTALS; FLUORESCENCE; TRANSITIONS; MICROSCOPY; DYNAMICS; CRYSTAL;
D O I：
10.1039/c5ra17435j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Using a pulse shaping technique, we demonstrate the modulation of two-photon luminescence (TPL) of quantum dots through phase and polarization of the excitation femtosecond (fs) laser. The dependance of TPL intensity on the pi phase step position, square phase modulation time, and polarization angle of the fs laser is revealed.
引用
收藏
页码：80998 / 81002
页数：5
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