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By employing a GaN-based series-biased micro-light emitting diode (µLED) array and orthogonal frequency division multiplexing modulation format, a high-speed free-space visible light communication system for long-distance applications has been demonstrated. The blue series-biased µLED array, which consists of 3×3, 20 µm-diameter µLED elements, presents promising performance with an optical power and -6dB electrical modulation bandwidth of over 10 mW and 980 MHz, respectively. Record data transmission rates have been successfully achieved at different free-space distances. Within 5 m transmission distances, over 10 Gbps data rates at the forward error correction (FEC) floor of 3.8×10-3are accomplished. Extending the transmission distances to 20m, the data rates are maintained at the Gbps level at the FEC floor.
|Number of pages||4|
|Journal||IEEE Photonics Technology Letters|
|Early online date||18 Mar 2020|
|Publication status||Published - 1 May 2020|
- long-distance visible light communication (VLC)
- series-biased micro-LED (μLED) array
- orthogonal frequency division multiplexing (OFDM)
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- 1 Finished
UK Quantum Technology Hub in Quantum Enhanced Imaging (Quantic)
Birch, D., Dawson, M., Dawson, M., Strain, M., Chen, Y., Gu, E., Li, D., Strain, M., Watson, I., Jeffers, J., Oppo, G. & Yao, A.
EPSRC (Engineering and Physical Sciences Research Council), HORIBA Jobin Yvon IBH Ltd
1/10/14 → 31/10/19
Data for: "Over 10 Gbps VLC for long-distance applications using a GaN-based series-biased micro-LED array"
Xie, E. (Creator), Bian, R. (Creator), HE, X. (Creator), Islim, M. S. (Creator), Cheng, C. (Creator), McKendry, J. (Creator), Gu, E. (Creator), Haas, H. (Creator) & Dawson, M. (Creator), University of Strathclyde, 16 Apr 2020