CHEN Gui-chu, FAN Guang-han. Effect of Al Composition on the Properties of GaN-based Quantum Cascade Laser[J]. Chinese Journal of Luminescence, 2009,30(4):473-476.
CHEN Gui-chu, FAN Guang-han. Effect of Al Composition on the Properties of GaN-based Quantum Cascade Laser[J]. Chinese Journal of Luminescence, 2009,30(4):473-476.DOI:
In order to optimize the Al composition of the barrier in GaN-based quantum cascade laser
we made a self-consistent calculation to the Schrdinger and Poisson equations of one period of barrier in QCL. The band structure and the electron envelope function were obtained. The relation between dipole matrix element and Al composition of the barrier was illuminated. The results showed that the dipole matrix element is the largest for the optimized Al composition to be 0.15.
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