Abstract
Amplification of a directed beam of excitons by stimulated scattering is observed in CO at 2 K. It indicates that an excitoner, the radiationless excitonic counterpart of a laser, can be realized in semiconductors.
- Received 10 April 1996
DOI:https://doi.org/10.1103/PhysRevLett.77.896
©1996 American Physical Society