Laser communication is the next generation of wireless communication technology for high-bandwidth and long distance point-to-point communication scenarios involving moving objects. It works by utilizing an accurately steered infrared laser beam to transmit data unguided through air and allows orders of magnitude superior performance parameters than competing X-, Ka-, E- or even D-band communication systems.
Key Aspects of Laser Communication
Laser Communication vs. RF
Laser communication is in direct competition with other point-to-point wireless communication technologies. It is fundamentally not much different than radio frequency solutions but operates at much higher frequencies that lead to significantly higher achievable data rates, smaller size and better security and power efficiency. So no matter whether comparing it to X-, Ku-, Ka-, E- or even D-band communications – laser communication will always achieve better performance in these dimensions.
Higher Data Rates
Laser communications physically allows many orders of magnitude higher bandwidth than any radio frequency technology today or in the future. The current world records for long distance wireless communication with millimeter wave technology and optical domain are a manifestation of these fundamental differences. The current world records have been established by the Facebook Connectivity Lab and our friends at the German Aerospace Center (DLR), respectively. The achieved data rate was 48 times higher for laser communication and the advance will only grow larger in the future.
More Secure and Power Efficient
Extensively tested products
A selection of projects ViaLight realised:
- air-to-ground link from 7km altitude
- air-to-air link in the stratosphere at 20km altitude
- 146km ground-to-ground link
- air-to-ground link from a Tornado jet fighter with strong vibrations
- air-to-ground from the stratosphere at 20km altitude
- Countless flights with research aircraft DO228
Resilient Links independent on Weather
Weather phenomena such as rain, fog, snow, etc. may have an impact on laser communication systems or may be completely irrelevant dependent on the application and the link scenario under consideration.
Reliable Operation in Extreme Environments
ViaLight’s products have seen some of the most demanding conditions you can think of and withstand even the harshest environments: large temperature cycles in the stratosphere, strong vibrations on an aircraft, radiation exposure on a satellite, … The videos below give an impression of their robustness.