Large Kerr coefficient induced by THz driven to intersubband of a GaN/AlGaN asymmetric quantum well nanostructure
作者： Ali Golestani , Elmira Annabi Milani , Asghar Asgari
DOI: 10.1080/09500340.2014.997320
关键词: Field (physics) 、 Condensed matter physics 、 Quantum well 、 Magneto-optic Kerr effect 、 Physics 、 Nanostructure 、 Wave function 、 Density matrix 、 Nonlinear system 、 Kerr effect
摘要: In this article, a large Kerr nonlinearity induced by THz driven to intersubband of GaN/AlGaN asymmetric quantum well nanostructure is investigated. To obtain the nanostructure, potential profiles, energy eigenvalues and wavefunctions, overlap integrals are obtained solving Schrodinger Poisson equations self-consistently. Knowing levels related one can investigate nonlinear response structure density matrix motion in rotating wave approximation. The effect field, control field detuning on absorption observed. Our results show that these parameters variations cause nanostructure.
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