A highly performing device for polariton-based coherent microwave emission and amplification

https://phys.org/news/2023-05-highly-device-polariton-based-coherent-microwave.html

"light–matter coupled cavity magnon polaritons at room temperature...  stability and controllability hybrid light–matter coupled... new type polariton, gain-driven polariton stable phase enables coherent emission of microwave photons... outperform STOs and solid-state masers... 1 bnX more powerful and emission quality factor... microwave sources that can be integrated on-chip... frequency tunable... controllability light-matter interaction...  wireless communication systems and quantum computers"

Related:

Hybrid exciton–polariton particles surprise with negative mass

https://phys.org/news/2023-05-hybrid-excitonpolariton-particles-negative-mass.html

Breaking symmetry to excite polaritons

https://phys.org/news/2023-06-symmetry-polaritons.html