Effects of strain and Coulomb interaction on gain and refractive index in quantum-well lasers

PEREIRA, Mauro, KOCH, S. W. and CHOW, W. W. (1993). Effects of strain and Coulomb interaction on gain and refractive index in quantum-well lasers. Journal of the Optical Society of America B, 10 (5), p. 765.

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Official URL: http://dx.doi.org/10.1364/JOSAB.10.000765
Link to published version:: 10.1364/JOSAB.10.000765

Abstract

The eigenstates of the coupled-band Luttinger Hamiltonian are used to derive modified optical Bloch equations for strained layer semiconductor heterostructures. An average effective-mass approximation is introduced, and the single-plasmon-pole approximation for the screened Coulomb interaction is extended for the multiple-subband case. Spectra of the optical absorption/gain and of the antiguiding (linewidth enhancement) factor are computed by use of a high-density Padé approximation for the quantum-well susceptibility. We compare results for various strained and unstrained systems.

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: 10.1364/JOSAB.10.000765
Depositing User: Helen Garner
Date Deposited: 18 Nov 2014 17:25
Last Modified: 18 Nov 2014 17:26
URI: http://shura.shu.ac.uk/id/eprint/8812

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