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Multifunctional Platform Based on III-Nitride Quantum Well Diode Array
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DOI：10.1021/acsaelm.6c00187.png)
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Abstract
En 中文
III-nitride quantum well (QW) diodes have attracted considerable attention in the fields of display and optical communication due to their high brightness, fast response, and broad spectral characteristics. However, existing technologies primarily focus on single functionalities such as display or sensing, lacking multimodal integrated design. This study leverages the dual functionality of III-nitride QW diodes in both emission and detection and proposes a multifunctional optoelectronic platform based on a 4 × 4 III-nitride QW diode array, which operates within a responsive wavelength range from 360 to 470 nm. Multiple functions including noncontact sensing, dynamic display control, and parallel multichannel visible light communication (VLC) are integrated onto a single platform, with convolutional neural networks employed to accurately process the sensing results. Experimental results show that the system achieves single-pixel transmission rates up to 106 bps and reception rates up to 104 bps, with the overall channel capacity exhibiting significant theoretical scaling potential with the number of pixels. This solution is clean, contactless, and interference resistant, offering a highly integrated and innovative proof of concept for next-generation optoelectronic systems, particularly for interactive display and Internet of Things applications.
Keywords:
Diodes
Light
Multifunctional
III-nitride QW diode
multifunctional platform
visible light communication
noncontact sensing
interactive display
convolutional neural network
Journal
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