Simultaneous two-state lasing in quantum-dot lasers
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- 24 March 2003
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 82 (12), 1818-1820
- https://doi.org/10.1063/1.1563742
Abstract
We demonstrate simultaneous lasing at two well-separated wavelengths in self-assembled InAs quantum-dot lasers, via ground-state (GS) and excited-state(ES) transitions. This effect is reproducible and strongly depends on the cavity length. By a master-equation model, we attribute it to incomplete clamping of the ES population at the GS threshold.Keywords
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