Self-Consistent Analysis of Strain-Compensated InGaN–AlGaN Quantum Wells for Lasers and Light-Emitting Diodes

Hongping Zhao,Ronald A. Arif,Yik-Khoon Ee,Nelson Tansu

IEEE Journal of Quantum Electronics（2009）

引用 237|浏览6

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摘要

Strain-compensated InGaN-AlGaN quantum wells (QW) are investigated as improved active regions for lasers and light emitting diodes. The strain-compensated QW structure consists of thin tensile-strained AlGaN barriers surrounding the InGaN QW. The band structure was calculated by using a self-consistent 6-band kmiddotp formalism, taking into account valence band mixing, strain effect, spontaneous a...

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关键词

Quantum well lasers,Light emitting diodes,Spontaneous emission,Aluminum gallium nitride,Tensile strain,Piezoelectric polarization,Indium,Stimulated emission,Optical mixing,Threshold current

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