World's first room temperature electrically pumped perovskite polariton laser diode drastically reduces threshold current density

https://phys.org/news/2026-07-electrically-perovskite-polariton-laser-diode.html

"high-quality-factor microcavity + durable lead-halide perovskite gain layer, achieving stable, continuous-wave polariton lasing under direct electrical injection... up to orders-of-magnitude lower current densities compared to conventional laser diodes... electrically driven, room-temperature, ultra-low-power, highly scalable coherent polariton laser polariton laser integrable onto silicon photonic circuits"