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Vafaee H, Karimi M J. Intense laser field effect on second harmonic generation in a strained InGaN/AlGaN quantum well. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :677-680
URL: http://opsi.ir/article-1-682-en.html
URL: http://opsi.ir/article-1-682-en.html
Abstract: (3610 Views)
In this paper, the second harmonic generation coefficient in a strained InGaN/AlGaN quantum well are studied. Impacts of the spontaneous and piezoelectric polarization fields on the confinement potential are taken into account. The energy levels and wave functions are calculated using the fourth-order Runge-kutta method and optical properties are obtained using the compact density matrix approach. Results reveal that the confinement potential is considerably affected by the laser field and internal electric field. Results also indicate that the resonant peaks experience a red-shift with increasing the laser field strength. Moreover, the resonant peaks suffer a blue shift with the increase in In and Al compositions.
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