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Chinese Optics  > 2020  >  13(4): 866-872.
HAO Ya-ru, DENG Zhao-qi. The effects of metallic contacts on the lasing characteristics of organic thin films[J]. Chinese Optics, 2020, 13(4): 866-872. doi: 10.37188/CO.2020-0007
Citation: HAO Ya-ru, DENG Zhao-qi. The effects of metallic contacts on the lasing characteristics of organic thin films[J]. Chinese Optics, 2020, 13(4): 866-872. doi: 10.37188/CO.2020-0007
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The effects of metallic contacts on the lasing characteristics of organic thin films

  • University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China

Funds:  Supported by National Natural Science Foundation of China (No.61605083); Major Projects in Zhongshan City (No.2017B1023)
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  • Author Bio:

    Yaoru Hao was born in Shijiazhuang, Hebei, in 1981. She received a Ph.D. degree in optics engineering in 2009 in the Changchun Institute of Optics, Fine Mechanics and Physics, Jilin, China. Her official title is Lecturer. Her research interests are in applied optics and computer simulation. E-mail:fengyunxiaohao@foxmail.com

    Zhaoqi Deng was born in Yixing, Jiangsu, in 1981. He received an M.Sc. degree in optics engineering in 2007 in the Changchun Institute of Optics, Fine Mechanics and Physics, Jilin, China. His title is Lecturer. His research interests are in applied optics and computer simulation. E-mail: yeyunxiaopan@foxmail.com

  • Corresponding author: yeyunxiaopan@foxmail.com
  • Received Date: 10 Jan 2020
  • Rev Recd Date: 09 Mar 2020
  • Publish Date: 01 Aug 2020
    Abstract
  • Optical loss caused by metallic contacts are thought to be a major obstacle to the achievement of organic laser diodes. We find that multi-channel emissions and Surface Plasmons (SPs) by designing a proper distributed feedback structure can allow successful lasing in organic thin films in the presence of contacting electrodes and even show better lasing performance when compared to metal-free cases. In this paper, a lower threshold (0.026 mJ/pulse) laser emission is achieved with the Ag metal electrode on the grating structure with a period of 740 nm. Since there is no increase in device thickness, the electrical properties are not reduced when the optical properties are improved.

     

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