Abstract
A novel quantum wire laser structure is presented by designing inverted core-shell cylindrical quantum wire using AlxGa1-xAs/GaAs type-I heterostructure. The energy eigenvalues with corresponding density of states are numerically computed using finite difference technique. Intersubband transition energies are computed considering the lowest three energy states only where material composition of core material is changed to observe the effect on it. Dimensional effect is also studied for suitability of application in case of optical tuning. This analysis is carried out by taking into consideration the conduction band discontinuity and effective mass mismatch at boundaries following BenDaniel duke boundary condition. Results reflect that accuracy of control can be achieved on lasing performance by combining the dimensional variation effect with material parameter adjustment.
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