Scientists have created a communication network entirely based on light that enables seamless connectivity across space, air, and underwater environments. The new network design combines different types of light sources to ensure connectivity no matter the environment.
“In today’s world, data transmission is critical for communication, navigation, emergency response, research, and commercial activities,” said research team leader Yongjin Wang from Nanjing University of Posts and Telecommunications and Suzhou Lighting Chip Monolithic Optoelectronics Technology Co. Ltd., both in China. “This new wireless network enables uninterrupted connectivity across environments, facilitating two-way real-time data transmission between the network nodes that carry out communication and data exchange within and between networks.”
In the Optica Publishing Group journal Optics Express, the researchers describe the completely light-based communication network and demonstrate real-time video communication between network nodes. They also show that it can support both wired and wireless device access simultaneously and can carry out bidirectional data transmission between network nodes. Both capabilities are key for providing various services to different users at once.
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