Simultaneous laser connected/ powered devices use existing optical fiber over long distances, even in the harshest environments

https://www.eurekalert.org/news-releases/1088941

"Sunlab's multi-junction photonic power converters turning laser into electrical power... IR has low attenuation losses/ km enabling dramatic improvement in power/ data transmission >km... stacked semiconductor junctions absorb more light to convert to electric power, enabling higher efficiencies/ voltages... >2 volts at maximum power point with 53% efficiency... future: laser power in free space simultaneously powering/ communicating"