| YU Jia,WEI Zhengjun,GUAN Xiaojun,ZHENG Yingfang,ZHANG Xiangfei,WANG Jindong,WANG Shentao,LIU Ningyang,XU Yiqin.High-speed real-time visible light communication system based on InGaN/GaN-base multi-quantum well blue micro-LED[J].Optoelectronics Letters,2021,17(12):741-745 |
| High-speed real-time visible light communication system based on InGaN/GaN-base multi-quantum well blue micro-LED |
| Author Name | Affiliation | | YU Jia | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | WEI Zhengjun | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | GUAN Xiaojun | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | ZHENG Yingfang | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | ZHANG Xiangfei | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | WANG Jindong | Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China | | WANG Shentao | Communication NCO Academy, Peoples Liberation Army Engineering University, Chongqing 400056, China | | LIU Ningyang | Guangdong Institute of Semiconductor Industrial Technology, Guangzhou 510006, China | | XU Yiqin | Guangdong Institute of Semiconductor Industrial Technology, Guangzhou 510006, China |
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| Abstract: |
| Visible light communication (VLC) technology is a new type of wireless communication technology, which employs a light source as the carrier of information to realize illumination and communication simultaneously. This paper adopts a single InGaN/GaN-base multi-quantum well blue micro-light emitting diode (LED) as the light source, designs pre-emphasis circuit, LED driver circuit, impedance matching network, etc., and builds a high-speed real-time VLC system. It has been verified that the LED achieves a 3 dB modulation bandwidth of 450 MHz or more; and the real-time communication rate reaches over 800 Mbit/s at a distance of 2 m. The communication bit error rate (BER) is as low as at a communication rate of 622 Mbit/s. Experimental indicators including 3 dB bandwidth, communication rate, and communication BER are all taken into account. Therefore, this VLC system supports high-quality high-speed real-time communication. |
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| This work has been supported by the Science of Technology Program of Guangdong Province (No.2015B010110002), and the Science Technology Program of Guangzhou (No.201804010166). |
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