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Chin. Opt. Lett.
 Home  List of Issues    Issue 01 , Vol. 16 , 2018    10.3788/COL201816.011403

Solid-state green-light-emitting upconversion coherent random laser in macroporous LiNbO3:Er
Fan Shi, Meng Zhao, Chen Jia, Yufeng Zhao, and Shengyong Chen
Key Laboratory of Computer Vision and System of Ministry of Education, Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology, Tianjin University of Technology, Tianjin 300384, China

Chin. Opt. Lett., 2018, 16(01): pp.011403

Topic:Lasers and laser optics
Keywords(OCIS Code): 140.7300  290.4210  160.5690  140.3613  

A solid-state green-light-emitting upconversion coherent random laser was realized by pumping macroporous erbium-doped lithium niobate with a 980 nm laser. The lasing threshold was determined to be about 40 kW/cm2. Above the threshold, the emission intensity increased sharply with the increasing pump intensity. Moreover, a narrow multi-peaks structure was observed in the green-light-emission band, and the positions of lasing lines were various at different angles. The results were the direct evidences of coherent random lasing emission from macroporous erbium-doped lithium niobate. These phenomena were attributed to the coexistence of upconversion emission and a multiple scattering feedback mechanism.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2017/12/22

Get Citation: Fan Shi, Meng Zhao, Chen Jia, Yufeng Zhao, and Shengyong Chen, "Solid-state green-light-emitting upconversion coherent random laser in macroporous LiNbO3:Er," Chin. Opt. Lett. 16(01), 011403(2018)

Note: We thank Prof. Xinzheng Zhang of the MOE Key Laboratory of Weak-Light Nonlinear Photonics at Nankai University for useful suggestions, discussions, and critical reading of the manuscript. He also helped with the instrument construction and measurements. This work was supported by the National Natural Science Foundation of China under Grant Nos. U1509207, 61325019, and 61703304.


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