Two independent demonstrations of room-temperature Bose–Einstein condensation of light in semiconductor optical microcavities with embedded quantum wells may pave the way for harnessing the effect for practical applications, such as high-power, single-mode emission from large-aperture devices.
M. Pieczarka, M. Gebski, A.N. Piasecka, J.A. Lott, A. Pelster, M. Wasiak, and T. Czyszanowski:
Bose-Einstein condensation of photons in a vertical-cavity surface-emitting laser;
Nature Photonics 18, 1090-1096 (2024)
https://doi.org/10.1038/s41566-024-01478-z
A. Fainstein and G. Usaj, A technology friendly photon condensate; Nature Photonics 18, 999-1001 (2024)
https://doi.org/10.1038/s41566-024-01533-9
German Press Release:
https://pro-physik.de/nachrichten/bose-einstein-kondensat-aus-licht-0
English Press Release:
https://pwr.edu.pl/en/university/news/an-important-discovery-in-laser-physics-10714.html