Bleaching of excitonic absorption in II–VI laser diodes under lasing conditions

DIESSEL, A., EBELING, W., GUTOWSKI, J., JOBST, B., SCHÜLL, K., HOMMEL, D., PEREIRA, Mauro, GÜLDNER, H. and HENNEBERGER, K. (1996). Bleaching of excitonic absorption in II–VI laser diodes under lasing conditions. Journal of Crystal Growth, 159 (1-4), 661-666.

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Link to published version:: 10.1016/0022-0248(95)00798-9


The lasing mechanism for II–VI laser diodes is studied with a novel pump-and-probe scheme that allows for probing the absorption spectrum under actual lasing conditions. For high quality samples containing a 10 nm Zn1−xCdx Se single quantum well, the exciton is bleached for carrier densities in the gain/lasing range in accordance with numerical solutions of the semiconductor Bloch equations. Furthermore, emission spectra are obtained for a sample within a cavity resonator, and the results are in qualitative agreement with results obtained from a non-equilibrium Green's functions theory for the coupled carriers and photons system.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1016/0022-0248(95)00798-9
Depositing User: Helen Garner
Date Deposited: 18 Nov 2014 16:52
Last Modified: 18 Nov 2014 16:52

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