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Nonlinear optical rectification in asymmetrical semiparabolic quantum wells
Scopus
Toplam 149 atıf DOI
The optical rectification in a semiparabolic quantum well is theoretically investigated. The electronic states in a semiparabolic quantum well are calculated exactly, within the envelope function and the displaced harmonic oscillator approach. The nonlinearity resulting from the asymmetry of the confining potential is studied in the lowest order. The numerical results for the typical AlxGa1-xAs/GaAs material show that the large optical rectification coefficient decreases with increasing confining potential frequency of the semiparabolic quantum well. Moreover, the optical rectification coefficient also depends sensitively on the relaxation rate of semiparabolic quantum well system. © 2005 Elsevier Ltd. All rights reserved.
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Laser field effect on the nonlinear optical properties of a square quantum well under the applied electric field
Scopus
Havuzumuzda 69 atıf almış
In this paper the effect of the laser field on the nonlinear optical properties of a square quantum well under the applied electric field is investigated theoretically. The calculations are performed in saturation limit using the density matrix formalism and the effective mass approach. Our results show that the laser field considerably effects the confining potential of the quantum well and thus the nonlinear optical properties. © 2010 Elsevier B.V.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey