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Research on underwater high-speed blue-green optical communication technology based on blue LD array
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Paper Abstract

In underwater wireless optical communication (UWOC), one of the key technologies is to generate high-speed communication signal for transmitter. In this paper, we designed such transmitter based on laser diode (LD) arrays, which is composed of three LDs with central wavelength 450nm. The modulation format is non-return-to-zero on-off keying (NRZ-OOK) with data rate up to 50Mbps. Using such transmitter, we established a point-to-point underwater wireless optical communication link in an experimental tank with 20m length, 20m width and 14 depth. The experimental results show that the maximum error-free data rate of the system can reach 50Mbps with 10.7m transmission distance, while the maximum error-free transmission rate is 30Mbps with 14.7m transmission distance. These results verify the feasibility of the LD-based modulation scheme for high-speed UWOC applications.

Paper Details

Date Published: 10 May 2019
PDF: 4 pages
Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110680U (10 May 2019); doi: 10.1117/12.2523916
Show Author Affiliations
Yi Han, Xi'an Institute of Optics and Precision Mechanics (China)
Shaanxi Normal Univ. (China)
Yunqiang Zheng, Xi'an Institute of Optics and Precision Mechanics (China)
Kui Shi, Xi'an Institute of Optics and Precision Mechanics (China)
Tao Wang, Xi'an Institute of Optics and Precision Mechanics (China)
Xiaoping Xie, Xi'an Institute of Optics and Precision Mechanics (China)
Jiacheng Meng, Xi'an Institute of Optics and Precision Mechanics (China)
Wei Wang, Xi'an Institute of Optics and Precision Mechanics (China)
Tao Duan, Xi'an Institute of Optics and Precision Mechanics (China)
Biao Han, Xi'an Institute of Optics and Precision Mechanics (China)
Rengang Wan, Shaanxi Normal Univ. (China)
Kelin Sun, Institute of Deep-sea Science and Engineering (China)


Published in SPIE Proceedings Vol. 11068:
Second Symposium on Novel Technology of X-Ray Imaging
Yangchao Tian; Tiqiao Xiao; Peng Liu, Editor(s)

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