Abstract
Using the combination of coordinate transformation and the finite difference method, we have studied theoretically, the optical absorption coefficient and the refractive index changes of the InAs/InP quantum wire, with a lens cross-section. For this purpose, we have used the analytical expressions for optical properties obtained by the compact-density matrix formalism. The evaluation has been performed in varying the dimension of the quantum wire and the incident optical intensity I. The obtained results show that the oscillator strength (transition life) increase (decrease) by increasing the height H. Also, the total absorption coefficient achieves a maximum value which corresponds to the energy difference of the two different electronic states and the resonant peaks shift toward the lower energies by increasing the height H.
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