Wavelength Dependence of Efficiency Limiting Mechanisms in Type-I Mid-Infrared GaInAsSb/GaSb Lasers

Timothy Eales,I. P. Marko,Barnabas A. Ikyo, Alfred R. Adams,Shamsul Arafin,Stephan Sprengel,Markus-Christian Amann,S. J. Sweeney

IEEE Journal of Selected Topics in Quantum Electronics（2017）

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摘要

The efficiency limiting mechanisms in type-I GaInAsSb-based quantum well (QW) lasers, emitting at 2.3, 2.6 and 2.9 μm, are investigated. Temperature characterization techniques and measurements under hydrostatic pressure identify an Auger process as the dominant nonradiative recombination mechanism in these devices. The results are supplemented with hydrostatic pressure measurements from three add...

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关键词

Temperature measurement,Radiative recombination,Quantum cascade lasers,Threshold current,Temperature

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