Theory of optical nonlinearities of coupled-band quantum wells with many-body effects

Mauro Fernandes Pereira Jr.; Rolf H. Binder; Stephan W. Koch

doi:10.1117/12.178514

30 June 1994 Theory of optical nonlinearities of coupled-band quantum wells with many-body effects

Mauro Fernandes Pereira Jr., Rolf H. Binder, Stephan W. Koch

Proceedings Volume 2146, Physics and Simulation of Optoelectronic Devices II; (1994) https://doi.org/10.1117/12.178514
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Nonlinear optical properties of lattice-matched and strained semiconductor quantum wells are computed using generalized optical Bloch equations. The equations combine the influence of many-body, strain and bandcoupling effects, within a consistent model for quasi-static screening that includes contributions from all occupied subbands in a single-plasmon-pole type approximation. Numerical solutions for the absorption and refractive index change of InGaAs-AlGaAs systems are presented in the quasi-equilibrium regime for a broad range of excitation conditions, from the low density excitonic regime to the highly excited gain region. Good agreement with recent experimental results is found.

Citation Download Citation

Mauro Fernandes Pereira Jr., Rolf H. Binder, and Stephan W. Koch "Theory of optical nonlinearities of coupled-band quantum wells with many-body effects", Proc. SPIE 2146, Physics and Simulation of Optoelectronic Devices II, (30 June 1994); https://doi.org/10.1117/12.178514

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