HENNEBERGER, K., GÜLDNER, H., MANZKE, G., PENG, Q. Y. and PEREIRA, Mauro (1999). Many-body theory for II–VI semiconductor laser media. In: KRAMER, Bernhard, (ed.) Advances in Solid State Physics. Berlin, Springer Berlin Heidelberg, 61-73.Full text not available from this repository.
We study the interplay between resonant cavity, carrier-quantum confinement and many-body effects by means of a Keldysh Green’s function approach which treats the relevant quasi-particles (photons, carriers and plasmons) within a fully quantum-mechanical footing. In order to consistently describe the gain lineshape and spectral position of lasing, it is demonstrated that both Coulomb effects within mean-field contributions and higher order many-body effects as screening, diagonal and off-diagonal dephasing and renormalization of the interband energy have to be taken into account. Strong compensation between diagonal and off-diagonal contributions is found. Numerical results for II–VI heterostructures under quasi-equilibrium conditions and for temperatures ranging from 100 K to 300 K are compared with recent experimental findings. Solving the kinetic equation of photons transient spectral and temporal oscillations experimentally observed in the laser emission are shown to result from memory effects.
|Item Type:||Book Section|
|Research Institute, Centre or Group:||Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group|
|Depositing User:||Helen Garner|
|Date Deposited:||19 Nov 2014 13:22|
|Last Modified:||19 Nov 2014 13:22|
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