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azadi S, keshavarz A. Optical properties of quantum wells with position-dependent mass with a point canonical transformation method. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1473-1476
URL: http://opsi.ir/article-1-136-en.html
URL: http://opsi.ir/article-1-136-en.html
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Abstract: (14900 Views)
Abstract-In this study, optical properties of quantum wells for typical GaAs/AlxGa1-xAs are investigated. For this purpose, by using the point canonical transformation method and numerical solution of the Schrödinger equation the energy levels and wave functions of electrons in the confinement potential are obtained. Then, the effect of position-dependent effective mass on the intersubband optical absorption coefficient and the refractive index change in the quantum well are studied. Our calculations were compared with the case is constant mass. Results show that the effect of the position-dependent mass plays important roles in studying the optical properties of semiconductor structures.
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