Article Dans Une Revue IEEE Photonics Technology Letters Année : 2024

Data communication using blue GaN-on-Si micro-LEDs reported on a 200-mm Silicon substrate

Résumé

In this paper, Gallium Nitride (GaN) blue microLight-Emitting-Diodes (µLEDs) reported on a 200-mm Silicon substrate are utilized for multi-Gb/s data transmission. The manufacturing process is compatible with CMOS integrated circuit design, paving the way for fully integrated transmitters for µLED-based visible light communications (VLC) or chip-to-chip interconnects. Fiber-guided transmission has been realized using direct current optical-orthogonal frequency division multiplexing (DCO-OFDM) modulation, and a data rate of 5.9 Gb/s at a BitError-Rate (BER) of 3.8×10-3 is reported using a single 50×50 µm2 blue µLED. This data rate was further improved to reach 15.5 Gb/s in the case where the µLED is only limited by its non-linear distortions instead of the system’s noise, highlighting the high linearity of GaN µLEDs.
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Sultan El Badaoui, Luc Maret, Nicolas Delaunay, Anthony Cibié, Patrick Le Maitre, et al.. Data communication using blue GaN-on-Si micro-LEDs reported on a 200-mm Silicon substrate. IEEE Photonics Technology Letters, 2024, 36 (18), pp.1149-1152. ⟨10.1109/LPT.2024.3451244⟩. ⟨hal-04681830⟩
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