High-speed visible light communication based on micro-LED: A technology with wide applications in next generation communication

Opto-Electronic Science Pub Date : 1900-01-01 DOI:10.29026/oes.2022.220020

Ting-Chang Lu, Xiang Lin, Wenan Guo, Chang-Ching Tu, Shibiao Liu, Chun-Jung Lin, Zhong Chen, H. Kuo, Tingzhu Wu

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引用次数: 8

Abstract

The evolution of next-generation cellular networks is aimed at creating faster, more reliable solutions. Both the next-generation 6G network and the metaverse require high transmission speeds. Visible light communication (VLC) is deemed an important ancillary technology to wireless communication. It has shown potential for a wide range of applications in next-generation communication. Micro light-emitting diodes (μLEDs) are ideal light sources for high-speed VLC, owing to their high modulation bandwidths. In this review, an overview of μLEDs for VLC is presented. Methods to improve the modulation bandwidth are discussed in terms of epitaxy optimization, crystal orientation, and active region structure. Moreover, electroluminescent white LEDs, photoluminescent white LEDs based on phosphor or quantum-dot color conversion, and μLED-based detectors for VLC are introduced. Finally, the latest high-speed VLC applications and the application prospects of VLC in 6G are introduced, including underwater VLC and artificial intelligence-based VLC systems.

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基于微型led的高速可见光通信技术是下一代通信中具有广泛应用前景的技术

下一代蜂窝网络的发展旨在创造更快、更可靠的解决方案。下一代6G网络和元宇宙都需要高传输速度。可见光通信(VLC)是无线通信的重要辅助技术。它已经显示出在下一代通信中广泛应用的潜力。微发光二极管(μ led)由于其高调制带宽而成为高速VLC的理想光源。本文对用于VLC的μ led进行了综述。从外延优化、晶体取向和有源区结构等方面讨论了提高调制带宽的方法。此外，还介绍了电致发光白光led、基于荧光粉或量子点颜色转换的光致发光白光led以及用于VLC的μ led探测器。最后介绍了高速VLC的最新应用以及VLC在6G时代的应用前景，包括水下VLC和基于人工智能的VLC系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Opto-Electronic Science

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