Microscopic calculation and measurement of the laser gain in a (GaIn)Sb quantum well structure
- Bückers, C.
- Thränhardt, A.
- Koch, S.W.
- Rattunde, Marcel
- Schulz, N.
- Wagner, Joachim
- Hader, J.
- Moloney, J.V.
DOIAbstract
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
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