2006
DOI: 10.1590/s0103-97332006000600017
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Abstract: The hydrostatic-pressure and applied electric field dependencies of the binding energy and the opticalabsorption spectra, associated with transitions between the n = 1 valence subband and the donor-impurity band, in symmetrical and asymmetrical GaAs − Ga 1−x Al x As double quantum-well structures are calculated using a variational procedure within the effective-mass approximation. Results are obtained for different well and barrier widths, shallow-donor impurity positions, hydrostatic pressure, and applied ele… Show more

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Cited by 23 publications
(7 citation statements)
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“…The analytical forms of the linear χ (1) and the third-order nonlinear χ (3) susceptibility coefficients are obtained from eqs (21) and (22) as…”
Section: Optical Absorption Coefficients and Refractive Index Changesmentioning
confidence: 99%
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“…The analytical forms of the linear χ (1) and the third-order nonlinear χ (3) susceptibility coefficients are obtained from eqs (21) and (22) as…”
Section: Optical Absorption Coefficients and Refractive Index Changesmentioning
confidence: 99%
“…Optical properties of quantum dots depend on both the size and composition of the dots. The linear and nonlinear optical properties have been studied theoretically by several researchers [18][19][20][21][22][23][24]. For example, Wang and Guo [18] investigated excitonic effects on the third-harmonic generation (THG) coefficient for typical GaAs/AlGaAs parabolic quantum dots.…”
Section: Introductionmentioning
confidence: 99%
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“…Wang et al (2003) theoretically examined refractive index changes in semiparabolic quantum wells. To obtain more information about optical properties of nanostructures, the reader can refer to Morales et al (2006), , Raigoza et al (2005), Baskoutas et al (2006), Ma et al (2004), and Karabulut et al (2007a).…”
mentioning
confidence: 99%
“…For instance, Atoyan et al (2004Atoyan et al ( , 2006 investigated interband light absorption in parabolic and cylindrical quantum dot in the presence of applied magnetic field. The donor-related optical absorption spectra for a double quantum well under hydrostatic pressure and applied electric field has been calculated in Morales et al (2006). , and Merchancano and Bolivar-Marinez (2007) calculated the donor binding energy in quantum dots under the influence of hydrostatic pressure.…”
mentioning
confidence: 99%