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CEA-Leti has set a new world record for throughput in light communications (VLC). The researchers used a single 10-μm GaN blue micro-LED to achieve a data transmission rate of 7.7 Gb/s, compared to the previous record of 5.1 Gb/s. The transmission rate marks another step toward commercialization and use of VLC.
VLC, commonly called Li-Fi (short for “light fidelity”), offers an alternative or a complementary technology to radio frequency systems such as Wi-Fi and 5G. It shows significant promise in security applications, as light can be confined to a room with no information leakage, as opposed to Wi-Fi communication, which penetrates walls.
CEA-Leti testbed for single GaN blue micro-LED that achieved throughput of…