Pattern formation in multistacked-quantum-dot-based microcavities: modelization and role of gain asymmetries in the alpha factor

T. Maggipinto; M. Brambilla; I. M. Perrini; S. Barbay; R. Kuszelewicz

doi:10.1117/12.717185

6 February 2007 Pattern formation in multistacked-quantum-dot-based microcavities: modelization and role of gain asymmetries in the alpha factor

T. Maggipinto, M. Brambilla, I. M. Perrini, S. Barbay, R. Kuszelewicz

Author Affiliations +

Proceedings Volume 6468, Physics and Simulation of Optoelectronic Devices XV; 64681B (2007) https://doi.org/10.1117/12.717185
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

We develop a model that describes the optical response of a semiconductor quantum dot microcavity pumped above transparency but kept slightly below threshold. The model takes into account the inhomogeneous broadening of the dot emission, the coupling mechanisms between quantum dots and the wetting layer and incorporates gain asymmetry factors in the thermo-emission and capture coefficients. The role of asymmetries with respect to alpha factor and pattern formation is investigated. We then study the conditions for the onset of bistability and modulational instability and characterize the patterns formed.

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T. Maggipinto, M. Brambilla, I. M. Perrini, S. Barbay, and R. Kuszelewicz "Pattern formation in multistacked-quantum-dot-based microcavities: modelization and role of gain asymmetries in the alpha factor", Proc. SPIE 6468, Physics and Simulation of Optoelectronic Devices XV, 64681B (6 February 2007); https://doi.org/10.1117/12.717185

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