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The binding energy and effective mass of a polaron confined in a GaAs film deposited on an AlxGa1-xAs substrate are investigated, for different film thickness values and aluminum concentrations and within the framework of the fractional-dimensional space approach. Using this scheme, we propose a new method to define the effective length of the quantum confinement. The limitations of the definition...
We investigate the transmission properties of nonlinear superlattice in the presence of a weak electric field. Employed the approximation of plane wave, the nonlinear Schrodinger equation leads to a second order nonlinear difference equation, and we obtain transmission spectrum of wave by iterated the difference equation. The whole spectrum show the transmission coefficient has a distinctive modulation...
Based on finite-difference-time-domain method, we have shown that the transmission of TE polarization is affected with the geometrical parameters of one-dimensional metallic grating with subwavelength slits at the wavelength range from visible to near-infrared light. The increase of the dielectric refractive index of slits and the slit width leads to the redshift of the position of the peaks in transmission...
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