Modeling and analysis of strain effects on optical gain property of interband quantum cascade lasers

In this paper a complete model and theoretical analysis based on model-solid theory and the envelop-function approach are presented to investigate the strain effects in the interband quantum cascade lasers. The electronic properties and the optical gain of two different type-II quantum well configurations are calculated under different strain conditions and two kinds of active region configuration. Through the comparison and analysis between these example structures, the detailed quantitative results of the strain effects are given.

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