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Strongly polarized quantum well infrared photodetector with metallic cavity for narrowband wavelength selective detection

机译:具有金属腔的强偏振量子孔红外光电探测器,用于窄带波长选择性检测

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摘要

A quantum well-integrated metallic microcavity infrared photodetector is designed and fabricated to achieve highly polarized narrowband wavelength selective detection. Linear grooves are etched on top of the mesa and then the whole device is completely coated with Ti/Au to form an open metallic microcavity, and the resonant mode of the metallic cavity can be detected by the embedded quantum well active layer. The obtained devices show very narrow wavelength selective detection ability as well as strong polarization-dependent characteristics. High performances such as a quality factor of 60 and a polarization extinction ratio of 146 are noticed. Our work provides a promising basis for developing highly integrated infrared cameras with a remarkable performance.
机译:设计和制造量子阱整合的金属微腔红外光电探测器,以实现高偏振的窄带波长选择性检测。线性凹槽在台面的顶部蚀刻,然后整个装置完全涂覆有Ti / Au以形成开放的金属微腔,并且可以通过嵌入量子阱有源层检测金属腔的谐振模式。所获得的器件显示出非常窄的波长选择性检测能力以及强度依赖性特征。注意到诸如质量因子的高性能和146的偏振光分数。我们的工作为开发高度集成的红外相机提供了有希望的基础,具有显着性能。

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  • 来源
    《Applied Physics Letters》 |2020年第16期|161107.1-161107.5|共5页
  • 作者单位

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

    Department of Materials Science and State Key Laboratory of ASIC and system Fudan University Shanghai 200433 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China Mathematics and Science College Shanghai Normal University Shanghai 200234 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

    Department of Materials Science and State Key Laboratory of ASIC and system Fudan University Shanghai 200433 People's Republic of China;

    Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 People's Republic of China University of Chinese Academy of Sciences Beijing 100049 People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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