Low-cost, quasi-transparent ceramic photonic engine leverages laser-driven white light to reliably transmit network data over record 1.2 km

https://www.eurekalert.org/news-releases/1128226

"visible light communication beyond few indoor meters destroys light-emitting components due to intense heat accumulation under high laser power, overcome using calcium ion/ glass making powder ceramic laser-driven photonic engine, transferring heat 20X more efficiently, eliminating need for high-pressure... bridges long-range space-air-ground transmission gaps... scalable, highly reliable, low-cost optical hardware layer capable of supporting high-capacity, space-integrated demands of upcoming 6G"