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Transparent multispectral photodetectors mimicking the human visual system

Author

Listed:
  • Qitong Li

    (Stanford University)

  • Jorik van de Groep

    (Stanford University)

  • Yifei Wang

    (Stanford University)

  • Pieter G. Kik

    (Stanford University
    University of Central Florida)

  • Mark L. Brongersma

    (Stanford University)

Abstract

Compact and lightweight photodetection elements play a critical role in the newly emerging augmented reality, wearable and sensing technologies. In these technologies, devices are preferred to be transparent to form an optical interface between a viewer and the outside world. For this reason, it is of great value to create detection platforms that are imperceptible to the human eye directly onto transparent substrates. Semiconductor nanowires (NWs) make ideal photodetectors as their optical resonances enable parsing of the multi-dimensional information carried by light. Unfortunately, these optical resonances also give rise to strong, undesired light scattering. In this work, we illustrate how a new optical resonance arising from the radiative coupling between arrayed silicon NWs can be harnessed to remove reflections from dielectric interfaces while affording spectro-polarimetric detection. The demonstrated transparent photodetector concept opens up promising platforms for transparent substrates as the base for opto-electronic devices and in situ optical measurement systems.

Suggested Citation

  • Qitong Li & Jorik van de Groep & Yifei Wang & Pieter G. Kik & Mark L. Brongersma, 2019. "Transparent multispectral photodetectors mimicking the human visual system," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12899-8
    DOI: 10.1038/s41467-019-12899-8
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    Cited by:

    1. Jing Pan & Yiming Wu & Xiujuan Zhang & Jinhui Chen & Jinwen Wang & Shuiling Cheng & Xiaofeng Wu & Xiaohong Zhang & Jiansheng Jie, 2022. "Anisotropic charge trapping in phototransistors unlocks ultrasensitive polarimetry for bionic navigation," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Masanori Sakamoto & Masaki Hada & Wataru Ota & Fumihiko Uesugi & Tohru Sato, 2023. "Localised surface plasmon resonance inducing cooperative Jahn–Teller effect for crystal phase-change in a nanocrystal," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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