Five Times Faster Than Elon Musk's Starlink: Chinese Satellite Transmits Data With Minimal Laser Power

Five Times Faster Than Elon Musk’s Starlink: Chinese Satellite Transmits Data With Minimal Laser Power

Written by Fabio Lucas Carvalho

Published on 17/06/2025 at 19:45

Updated on 17/06/2025 at 19:53

Foto: Reprodução

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Chinese Researchers Test New 2-Watt Laser Technique and Achieve Five Times Faster Speed Than the Starlink Network.

Chinese researchers managed to transmit data from a geostationary satellite to Earth at a speed of 1 Gigabit per second (Gbps), using a laser of only 2 watts. The result is five times faster than the current services offered by Starlink, from SpaceX.

The innovation was made possible thanks to a new method called AO-MDR synergy, which promises to revolutionize satellite communications.

The Innovation Behind the Speed

The great challenge of laser communication between satellites and Earth is atmospheric turbulence. This turbulence distorts light signals, making it difficult to receive quality data.

ARTICLE CONTINUES BELOW

The Test With Laser and Satellite

Theory was put into practice at the Lijiang observatory, located in southwestern China. Tests were conducted with an unnamed satellite positioned 36,705 kilometers from Earth. Communication was established using a 1.8-meter telescope, equipped with 357 individually controllable micro-mirrors.

These micro-mirrors are part of the adaptive optical system. They are responsible for correcting the laser light that arrives distorted due to atmospheric turbulence. After this correction, the light goes through an analysis system to identify the most reliable data.

Next, the corrected light enters a multimode fiber. This fiber splits the signal into eight base mode channels, through a component called multi-plane converter (MPLC). A “path selection” algorithm analyzes the eight channels and chooses the three with the best signal. This ensures that the transmitted information is as clear as possible.

Verified Results

The experiment was repeated several times, and the results remained consistent. The signal intensity increased significantly, and researchers carefully documented each test. Verification in multiple rounds reinforced the credibility of the data obtained.

The success rate of usable signals jumped from 72% to 91.1%. This improvement reduces transmission errors and makes it possible to send high-quality content more reliably.

The Importance of Laser Communication

Laser communication offers advantages over traditional radio systems. The main one is the much larger bandwidth. This means that more data can be transmitted in less time, with a lower risk of congestion.

This technology is seen as a solution to growing demands, such as sending high-definition videos. With more usable signals, there are fewer interruptions, fewer lost frames, and a smoother experience for the end user.

Additionally, in January 2025, an even greater advance was recorded in China: a rate of 100 Gbps in laser transmissions between satellites and ground. This result multiplied the previous record by ten and demonstrates rapid progress in the sector.

Closing

The study on AO-MDR synergy was published in the scientific journal Acta Optica Sinica. The tests indicate that, even with low power, laser communication can achieve high speed and reliability. The research reinforces China’s advancement in this field and positions the country prominently in the development of new space technologies.

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Five Times Faster Than Elon Musk’s Starlink: Chinese Satellite Transmits Data With Minimal Laser Power

Chinese Researchers Test New 2-Watt Laser Technique and Achieve Five Times Faster Speed Than the Starlink Network.

The Innovation Behind the Speed

The Test With Laser and Satellite

Verified Results

The Importance of Laser Communication

Closing

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Five Times Faster Than Elon Musk’s Starlink: Chinese Satellite Transmits Data With Minimal Laser Power

Chinese Researchers Test New 2-Watt Laser Technique and Achieve Five Times Faster Speed Than the Starlink Network.

The Innovation Behind the Speed

The Test With Laser and Satellite

Verified Results

The Importance of Laser Communication

Closing

Mother and daughter build a 70 m² house with more than 8,000 discarded glass bottles and impress with their creativity; known as the Casa de Sal, the property is located on Itamaracá Island, in Pernambuco.

Workers were opening a new road connection near the Marginal Tietê when they found, in the underground of the construction site, remnants of locomotives, wagons, and boilers from the 19th century linked to the forgotten history of Lapa.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Greek island offers free housing for volunteers, but there’s a condition: you need to take care of rescued cats.

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

China has deployed snake-shaped robots to slide along power lines, where they have already inspected over 130 kilometers of cables using cameras and sensors to detect damaged wires, worn-out parts, and overheating.

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