Electrically driven organic perovskite laser using dual-cavity design offers superior operational stability with rapid modulation capabilities

https://phys.org/news/2025-09-scientists-electrically-driven-perovskite-laser.html

"perovskite semiconductor with lasing threshold order magnitude lower... no need for external light sources... high-quality perovskite single crystals embedded within microstructures, improved microcavity perovskite LED component  radiant exitance, efficient optical coupling between cavity elements... splits electrical-to-optical conversion/ optical amplification functions: perovskite LED directional emission in 1st cavity absorbed by single crystal perovskite in 2nd... 82.7% better optical coupling efficiency"