Issue 2, 2013
From the journal:

Nanoscale

Surface plasmon enhanced electrically pumped random lasers

Qian Qiao,abc   Chong-Xin Shan,*a   Jian Zheng,ab   Hai Zhu,d   Siu-Fung Yu,d   Bing-Hui Li,a   Yan Jiae  and  De-Zhen Shen*a  

* Corresponding authors

a State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, No. 3888 Dongnanhu Road, Changchun, China
E-mail: shancx@ciomp.ac.cn
Fax: +86-431-86176298
Tel: +86-431-86176298

b Graduate University of Chinese Academy of Sciences, Beijing 100049, China

c College of Mathematics, Physics and Information Science,, Zhejiang Ocean University, Zhoushan, China

d Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

e Center for Advanced Optoelectronic Functional Materials Research, Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, No.5268 Renmin Street, Changchun, China

Abstract

Electrically pumped random lasing has been realized in Au/MgO/ZnO structures. By incorporating Ag nanoparticles, whose extinction spectrum overlaps well with the emission spectrum of the structures, the threshold of the random lasing can be decreased from 63 mA to 21 mA. The decrease in the threshold has been attributed to the resonant coupling between the carriers in the active layer of the structures and the surface plasmon of the Ag nanoparticles.

Graphical abstract: Surface plasmon enhanced electrically pumped random lasers

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Article information

DOI
https://doi.org/10.1039/C2NR32900J
Article type
Communication
Submitted
24 Sep 2012
Accepted
05 Nov 2012
First published
09 Nov 2012

Nanoscale, 2013,5, 513-517

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Surface plasmon enhanced electrically pumped random lasers

Q. Qiao, C. Shan, J. Zheng, H. Zhu, S. Yu, B. Li, Y. Jia and D. Shen, Nanoscale, 2013, 5, 513 DOI: 10.1039/C2NR32900J

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