Gigabit per second visible light communication based on AlGaInP red micro-LED micro-transfer printed onto diamond and glass

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Abstract

Full-color smart displays, which act both as a display and as a high-speed visible light communication (VLC) transmitter, can be realized by the integration of red-green-blue micron-sized light emitting diodes (micro-LEDs) onto a common platform. In this work, we report on the integration of aluminum gallium indium phosphide red micro-LEDs onto diamond and glass substrates by micro-transfer printing and their application in VLC. The device on-diamond exhibits high current density and bandwidth operation, enabled by diamond's superior thermal properties. Employing an orthogonal frequency division multiplexing modulation scheme, error-free data rates of 2.6 Gbps and 5 Gbps are demonstrated for a single micro-LED printed on-glass and on-diamond, respectively. In a parallel configuration, a 2x1 micro-LED array achieves error-free data rates of 3 Gbps and 6.6 Gbps, on-glass and on-diamond, respectively.
Original languageEnglish
Pages (from-to)12149-12156
Number of pages8
JournalOptics Express
Volume28
Issue number8
Early online date8 Apr 2020
DOIs
Publication statusPublished - 13 Apr 2020

Keywords

  • micro-LEDs
  • transfer printing (TP) method
  • AlGaInP
  • VLC

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