suzuki-jjap-35-l953

Data for reference suzuki-jjap-35-l953

Reduction of Threshold Current Density of Wurtzite GaN/AlGaN Quantum Well Lasers by Uniaxial Strain in (0001) Plane

M Suzuki, T Uenoyama

Japanese Journal of Applied Physics 35(8A), L953 (1996).

The uniaxial strain effect in the (0001) plane on the electronic and optical gain properties of wurtzite GaN/AlGaN quantum well lasers is investigated on the basis of kp theory. In order to obtain the required physical parameters, the first-principles band calculations are used. It is found that the uniaxial strain in the (0001) plane causes much lower threshold current density than the biaxial strain does. The relation between the uniaxial strain's direction and the optical polarization is clarified as well. As a result, we predict that the uniaxial strain in the (0001) plane is one of the preferable approaches for the efficient improvement of the GaN-based lasers performance.

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Uniaxial Strain Effect on the Electronic and Optical Properties of Wurtzite GaN/AlGaN Quantum Well Lasers

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