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Ultrashort laser pulse doubling by metal-halide perovskite multiple quantum wells
Guo,Jia1; Liu,Tanghao1; Li,Mingjie2; Liang,Chao1; Wang,Kaiyang1; Hong,Guo1; Tang,Yuxin1; Long,Guankui3; Yu,Siu Fung2; Lee,Tae Woo4; Huang,Wei5; Xing,Guichuan1
2020-12-01
Source PublicationNature Communications
Volume11Issue:1
AbstractMultiple ultrashort laser pulses are widely used in optical spectroscopy, optoelectronic manipulation, optical imaging and optical signal processing etc. The laser pulse multiplication, so far, is solely realized by using the optical setups or devices to modify the output laser pulse from the optical gain medium. The employment of these external techniques is because the gain medium itself is incapable of modifying or multiplying the generated laser pulse. Herein, with single femtosecond laser pulse excitation, we achieve the double-pulsed stimulated emission with pulse duration of around 40 ps and pulse interval of around 70 ps from metal-halide perovskite multiple quantum wells. These unique stimulated emissions originate from one fast vertical and the other slow lateral high-efficiency carrier funneling from low-dimensional to high-dimensional quantum wells. Furthermore, such gain medium surprisingly possesses nearly Auger-free stimulated emission. These insights enable us a fresh approach to multiple the ultrashort laser pulse by gain medium.
DOI10.1038/s41467-020-17096-6
URLView the original
Language英语
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Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorXing,Guichuan
Affiliation1.Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,999078,Macao
2.Department of Applied Physics,The Hong Kong Polytechnic University,Kowloon,Hung Hom,Hong Kong
3.School of Materials Science and Engineering,National Institute for Advanced Materials,Nankai University,Tianjin,300350,China
4.Department of Materials Science and Engineering,Seoul National University (SNU),Seoul,South Korea
5.Institute of Flexible Electronics (IFE),Northwestern Polytechnical University (NPU),Xi’an,710072,China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Guo,Jia,Liu,Tanghao,Li,Mingjie,et al. Ultrashort laser pulse doubling by metal-halide perovskite multiple quantum wells[J]. Nature Communications,2020,11(1).
APA Guo,Jia,Liu,Tanghao,Li,Mingjie,Liang,Chao,Wang,Kaiyang,Hong,Guo,Tang,Yuxin,Long,Guankui,Yu,Siu Fung,Lee,Tae Woo,Huang,Wei,&Xing,Guichuan.(2020).Ultrashort laser pulse doubling by metal-halide perovskite multiple quantum wells.Nature Communications,11(1).
MLA Guo,Jia,et al."Ultrashort laser pulse doubling by metal-halide perovskite multiple quantum wells".Nature Communications 11.1(2020).
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