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Microscopic calculation and measurement of the laser gain in a (GaIn)Sb quantum well structure
|Applied Physics Letters 92 (2008), No.7, Art. 071107, 3 pp.|
| Journal Article|
|Fraunhofer IAF ()|
A detailed microscopic calculation and experimental measurements of the optical gain from a (GaIn)Sb structure are presented. For a given excitation density, the gain in the (GaIn)Sb material system considerably exceeds that of a comparable equivalent (GaIn)As/GaAs structure. The physical reasons for this high gain are analyzed and attributed mostly to band structure effects.