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Optics and photonics

Optics and photonics

All-optical space-air-sea communication network makes its debut 

03 Apr 2024 Isabelle Dumé
Schematic illustration of the all-light communication network showing different devices in different environments beaming out communications at different wavelengths
Space, air and sea: The all-light communication network enables seamless connectivity across different environments. It combines blue light communication (BLC) for controlling unmanned underwater vehicles (UUV) with white light communication (WLC), deep ultraviolet communication for unmanned aerial vehicles (UAVs) as well as laser diode communication (LC) with satellites. (Courtesy: Yongjin Wang, Nanjing University of Posts and Telecommunications)
Researchers in China have demonstrated a prototype communications network that can transmit and rece

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Isabelle Dumé is a contributing editor to Physics World
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