1Mbps NLOS solar-blind ultraviolet communication system based on UV-LED array

Zhaotian Sun; Lijun Zhang; Ping'an Li; Yu Qin; Tingzhu Bai

doi:10.1117/12.2295330

10 January 2018 1Mbps NLOS solar-blind ultraviolet communication system based on UV-LED array

Zhaotian Sun, Lijun Zhang, Ping'an Li, Yu Qin, Tingzhu Bai

Proceedings Volume 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 106170O (2018) https://doi.org/10.1117/12.2295330
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

We proposed and demonstrated a high data rate ultraviolet communication system based on a 266nm UV LED array with 50mW luminous power. The emitting source is driven by a three outputs constant-current control circuit, whose driving speed is up to 2Mbps. At the receiving side, in order to achieve the amplification for high-speed signal, a two-stage differential preamplifier is designed to make I-V conversion. The voltage-current gain is up to 140dB and bandwidth is 1.9MHz. An experiment is conducted to test the performance of the UV communication system. The effects of elevation angles and transmission distance are analyzed. It is shown that the ultraviolet communication system has high data rate of up to 921.6kbps and bit error rate of less than 10^-7in 150m, which can beat the best record created by UV-LED communication system in terms of the transmission rate.

Citation Download Citation

Zhaotian Sun, Lijun Zhang, Ping'an Li, Yu Qin, and Tingzhu Bai "1Mbps NLOS solar-blind ultraviolet communication system based on UV-LED array", Proc. SPIE 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 106170O (10 January 2018); https://doi.org/10.1117/12.2295330

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