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Multi-dimensional optical information acquisition based on a misaligned unipolar barrier photodetector

Author

Listed:
  • Shukui Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Hanxue Jiao

    (Chinese Academy of Sciences)

  • Yan Chen

    (Chinese Academy of Sciences
    Fudan University)

  • Ruotong Yin

    (Chinese Academy of Sciences)

  • Xinning Huang

    (Chinese Academy of Sciences)

  • Qianru Zhao

    (Chinese Academy of Sciences)

  • Chong Tan

    (Chinese Academy of Sciences)

  • Shenyang Huang

    (Fudan University)

  • Hugen Yan

    (Fudan University)

  • Tie Lin

    (Chinese Academy of Sciences)

  • Hong Shen

    (Chinese Academy of Sciences)

  • Jun Ge

    (Chinese Academy of Sciences)

  • Xiangjian Meng

    (Chinese Academy of Sciences)

  • Weida Hu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Ning Dai

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Xudong Wang

    (Chinese Academy of Sciences)

  • Junhao Chu

    (Chinese Academy of Sciences
    Fudan University)

  • Jianlu Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Fudan University
    Fudan University)

Abstract

Acquiring multi-dimensional optical information, such as intensity, spectrum, polarization, and phase, can significantly enhance the performance of photodetectors. Incorporating these dimensions allows for improved image contrast, enhanced recognition capabilities, reduced interference, and better adaptation to complex environments. However, the challenge lies in obtaining these dimensions on a single photodetector. Here we propose a misaligned unipolar barrier photodetector based on van der Waals heterojunction to address this issue. This structure enables spectral detection by switching between two absorbing layers with different cut-off wavelengths for dual-band detection. For polarization detection, anisotropic semiconductors like black phosphorus and black arsenic phosphorus inherently possess polarization-detection capabilities without additional complex elements. By manipulating the crystal direction of these materials during heterojunction fabrication, the device becomes sensitive to incident light at different polarization angles. This research showcases the potential of the misaligned unipolar barrier photodetector in capturing multi-dimensional optical information, paving the way for next-generation photodetectors.

Suggested Citation

  • Shukui Zhang & Hanxue Jiao & Yan Chen & Ruotong Yin & Xinning Huang & Qianru Zhao & Chong Tan & Shenyang Huang & Hugen Yan & Tie Lin & Hong Shen & Jun Ge & Xiangjian Meng & Weida Hu & Ning Dai & Xudon, 2024. "Multi-dimensional optical information acquisition based on a misaligned unipolar barrier photodetector," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51378-7
    DOI: 10.1038/s41467-024-51378-7
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    References listed on IDEAS

    as
    1. Yan Chen & Xudong Wang & Le Huang & Xiaoting Wang & Wei Jiang & Zhen Wang & Peng Wang & Binmin Wu & Tie Lin & Hong Shen & Zhongming Wei & Weida Hu & Xiangjian Meng & Junhao Chu & Jianlu Wang, 2021. "Ferroelectric-tuned van der Waals heterojunction with band alignment evolution," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    2. Fengnian Xia & Han Wang & Yichen Jia, 2014. "Rediscovering black phosphorus as an anisotropic layered material for optoelectronics and electronics," Nature Communications, Nature, vol. 5(1), pages 1-6, December.
    3. Kaylee D. Hakkel & Maurangelo Petruzzella & Fang Ou & Anne Klinken & Francesco Pagliano & Tianran Liu & Rene P. J. Veldhoven & Andrea Fiore, 2022. "Integrated near-infrared spectral sensing," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
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