Recombination mechanisms and lasing in shallowSe/ZnSe quantum-well structures
- 15 June 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 49 (23), 16769-16772
- https://doi.org/10.1103/physrevb.49.16769
Abstract
Magnetoluminescence spectroscopy of the photopumped stimulated emission, together with systematic photoluminescence studies as a function of the photogeneration rate, were used to identify the main recombination mechanisms occurring in shallow Se/ZnSe multiple quantum wells for blue-green laser applications. Although the main spontaneous recombination processes have excitonic character, we found that lasing originates from free-carrier transitions.
Keywords
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