Gb/s Underwater Wireless Optical Communications Using Series-Connected GaN Micro-LED Arrays Article Swipe

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Georgios N. Arvanitakis , Rui Bian , Jonathan J. D. McKendry , Cheng Chen , Enyuan Xie , Xiangyu He , Gang Yang , Mohamed Sufyan Islim , Ardimas Andi Purwita , Erdan Gu , Harald Haas , Martin D. Dawson ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.1109/jphot.2019.2959656

High speed wireless communications are highly desirable for many industrial and scientific underwater applications. Acoustic communications suffer from high latency and limited data rates, while Radio Frequency communications are severely limited by attenuation in seawater. Optical communications are a promising alternative, offering high transmission rates (up to Gb/s), while water has relatively low attenuation at visible wavelengths. Here we demonstrate the use of series-connected micro-light-emitting-diode (μLED) arrays consisting of 6 μLED pixels either 60 μm or 80 μm in diameter and operating at 450 nm. These devices increase the output power whilst maintaining relatively high modulation bandwidth. Using orthogonal frequency division multiplexing (OFDM) we demonstrate underwater wireless data transmission at rates of up to 4.92 Gb/s, 3.22 Gb/s and 3.4 Gb/s over 1.5 m, 3 m and 4.5 m, respectively, with corresponding bit error ratios (BERs) of 1.5 × 10⁻³, 1.1 × 10⁻³ and 3.1 × 10⁻³, through clear tap water, and Mb/s rates through >5 attenuation lengths (ALs) in turbid waters.

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Wireless Underwater Series (stratigraphy) Optoelectronics Underwater acoustic communication Optical wireless communications Computer science Optical wireless Telecommunications Materials science Paleontology Geology Biology Oceanography

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Type: article
Language: en
Landing Page: https://doi.org/10.1109/jphot.2019.2959656
PDF: https://ieeexplore.ieee.org/ielx7/4563994/9018355/08932549.pdf
OA Status: gold
Cited By: 77
References: 33
Related Works: 10
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DOI: https://doi.org/10.1109/jphot.2019.2959656

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Title: Gb/s Underwater Wireless Optical Communications Using Series-Connected GaN Micro-LED Arrays

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Language: en

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Publication year: 2019

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Publication date: 2019-12-13

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Authors: Georgios N. Arvanitakis, Rui Bian, Jonathan J. D. McKendry, Cheng Chen, Enyuan Xie, Xiangyu He, Gang Yang, Mohamed Sufyan Islim, Ardimas Andi Purwita, Erdan Gu, Harald Haas, Martin D. Dawson

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Landing page: https://doi.org/10.1109/jphot.2019.2959656

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Concepts: Wireless, Underwater, Series (stratigraphy), Optoelectronics, Underwater acoustic communication, Optical wireless communications, Computer science, Optical wireless, Telecommunications, Materials science, Paleontology, Geology, Biology, Oceanography

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Cited by: 77

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