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Plasmonics

, Volume 14, Issue 6, pp 1405–1410 | Cite as

The Application of the Transient Optical Switch Based on Gradient Organic Heterojunctions

  • Guilin LiuEmail author
  • Zhongyang Zhang
  • Jianbo Shao
  • Xi Xi
  • Weifu Dong
  • Yuming Dong
  • Guoqing Chen
  • Liping Chen
  • Rulong Chen
Article
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Abstract

Anisotropy photoresponse can be effectively achieved based on gradient organic heterojunction. However, the gradient heterojunction has yet been studied due to the complicated process and great random error inside. Especially in the field of transient optics, the light on/off in femto/picosecond range is vitally important for high-speed optical systems, such as application in fiber communications. In this paper, the wedge-structured organic heterojunction was fabricated based on molecular beam epitaxy. The devices were combined with both wedge-structured heterojunction and half-wave plate. When the probe light was tuned to 2.0 eV, a narrow passband was instantly observed once the pump and probe light were perpendicular to each other. The photoresponse can be achieved within 0.84 ps which can tune the optical signals on and off in transient optics. The results have demonstrated an exciting application in photo sensing.

Keywords

Transient optical switch Gradient heterojunction Molecular beam epitaxy 
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Notes

Funding Information

The project is supported by Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, China (Grant Nos. BK20180601 and BK20180596), the Fundamental Research Funds for the Central Universities (Grant Nos. JUSRP11834, JUSRP21935 and JUSRP11834B), and the Jiangsu Postdoctoral Science Foundation (Grant Nos. 2018K112C and 2018K113C).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Guilin Liu
    • 1
    • 2
    • 3
    Email author
  • Zhongyang Zhang
    • 4
  • Jianbo Shao
    • 1
  • Xi Xi
    • 1
  • Weifu Dong
    • 2
    • 3
  • Yuming Dong
    • 2
    • 3
  • Guoqing Chen
    • 1
  • Liping Chen
    • 5
  • Rulong Chen
    • 5
  1. 1.School of ScienceJiangnan UniversityWuxiChina
  2. 2.School of Chemical and Material EngineeringJiangnan UniversityWuxiChina
  3. 3.International Joint Research Center for Photoresponse Functional Molecular MaterialsWuxiChina
  4. 4.College of oceanZhejiang UniversityHangzhouChina
  5. 5.WuXi Sunteck-power Co. Ltd.WuxiChina

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