Far-UVC LEDs Achieved 1.5 Gbps Wireless Data Speeds
Researchers utilized wavelengths below 235 nanometers to enable high-speed optical communication.
Updated on Sept. 30, 2026 in Quantum Computing
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Researchers have demonstrated a wireless optical communication system capable of transmitting data at 1.5 gigabits per second. This research-stage achievement used far-UVC LEDs to maintain performance under ambient room lighting over a 30-centimeter distance.
Why it matters
By operating at wavelengths below 235 nanometers, this system avoids interference from solar radiation, which is naturally filtered by the atmosphere. This enables potential new methods for secure, high-bandwidth wireless communication in specialized environments.
The system reached a transmission rate of 1.5 gigabits per second over 30 centimeters. This performance was achieved by segmenting the emitting surface of far-UVC light-emitting diodes into small areas, which reduced junction capacitance and allowed for higher current density.
The players
Ferdinand-Braun-Institut
A German research organization specializing in microwave physics and optoelectronics.
University of Strathclyde
A UK-based public research university with a focus on photonics and quantum technologies.
University of Cambridge
A global academic research institution known for its work in semiconductor physics and engineering.
Engineering and Physical Sciences Research Council
The primary UK government agency responsible for funding research in engineering and the physical sciences.
The details
The system uses a direct line-of-sight configuration between the transmitter and receiver. By utilizing light with wavelengths shorter than 235 nanometers—which is absorbed by the non-living outer layers of human skin—the researchers avoid ambient background interference. This is possible because solar radiation at these wavelengths is effectively blocked by the upper atmosphere.
Timeline
September 30, 2026: Official publication of the research findings.
The Tech Race
This development follows a research trajectory established by the TITAN research hub. It marks a push to move optical wireless data transmission into the ultraviolet spectrum, extending beyond current infrared and visible light communication benchmarks.
This technology remains in the research stage and is currently limited to a 30-centimeter line-of-sight transmission. It will not affect consumer devices until developers can successfully scale transmission distances and integrate the hardware into standard architectures.
The takeaway
The research validates a novel high-bandwidth channel for wireless communication that is physically immune to solar interference. Watch for future findings regarding signal stability over extended distances and varying atmospheric conditions.
Further reading
Learn more about the latest innovations in high-speed optical pathways in Quantum Computing.
More information
View the Original research publication for the full technical breakdown.
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