Fabricated blue mini-laser diode exhibits 33 Gbps throughput using PAM-4 modulation, indicating its potential for VLC applications.
We design and fabricate high-speed blue-emitting mini-laser diode (mini-LD) with a 3- dB modulation bandwidth of 8.4 GHz. The mini-LD based visible light communication (VLC) link reaches 33 Gbps using PAM-4 modulation scheme.
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Hu et al. (2025) studied this question.
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