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Chin. Phys. B, 2011, Vol. 20(7): 077803    DOI: 10.1088/1674-1056/20/7/077803
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

Amplified spontaneous emission from metal-backed poly[2-methoxy-5-(2'-ethylhexyloxy)-1, 4-phenylenevinylene] film

Zhang Bo (张波), Hou Yan-Bing (侯延冰), Teng Feng (滕枫), Lou Zhi-Dong (娄志东), Liu Xiao-Jun (刘小君), Hu Bing (胡兵), Wu Wen-Bin (武文彬)
Key Laboratory of Luminescence and Optical Information of Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China
Abstract  We investigate the amplified spontaneous emission (ASE) from an Ag-backed poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) film with different film thicknesses. The ASE characteristics of Ag-backed MEH-PPV films with different thicknesses show that increasing the film thickness can reduce the influence of the Ag cladding. The threshold, the gain, and the loss of the device with a thickness of 170 nm are comparable to those of a metal-free device. The lasing threshold of this device is about 7.5 times that of a metal-free device. Our findings demonstrate that Ag-backed MEH-PPV film with an appropriate thickness can still be a good polymer gain material for the fabrication of solid-state lasers.
Keywords:  polymer semiconductor      amplified spontaneous emission      metal-backed film  
Received:  05 January 2011      Revised:  16 February 2011      Accepted manuscript online: 
PACS:  78.45.+h (Stimulated emission)  
  42.70.-a (Optical materials)  
  78.66.-w (Optical properties of specific thin films)  

Cite this article: 

Zhang Bo (张波), Hou Yan-Bing (侯延冰), Teng Feng (滕枫), Lou Zhi-Dong (娄志东), Liu Xiao-Jun (刘小君), Hu Bing (胡兵), Wu Wen-Bin (武文彬) Amplified spontaneous emission from metal-backed poly[2-methoxy-5-(2'-ethylhexyloxy)-1, 4-phenylenevinylene] film 2011 Chin. Phys. B 20 077803

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